Marcasite is a pale bronze yellow or brass color, with dark gray-green streaks. It rates a 6 to 6.5 on the hardness scale, is opaque, and has a beautiful glittering metallic luster. It is commonly cut into small rose cuts. Twinning is common in marcasite crystals, and can produce a spearhead shaped form, which has been mistaken for Roman weapons.Product Details ; QR1380 · Fashion · Ring · Fashion Rings · Marcasite.marcasite translations: 白铁矿石（加工后看似宝石，用于制造廉价珠宝）. Learn more in the Cambridge English-Chinese simplified Dictionary.The Popularity of Marcasite Jewelry. The Georgian period saw the rise of Marcasite again after it died out in the middle ages. This is in the 1700's when cutting and molding intricate steel became possible. Since Marcasite is cheaper and less rare than diamonds, people used it instead of more extravagant prices.Marcasite, a magnificent talisman in magic, symbolizes expressiveness, knowledge, boldness, and equality. It enables the user to access the conscious mind. Marcasite is a joyful family life charm and developed the harmonious soul by simply strengthening the wearer's power. Marcasite, according to popular belief, protects the possessor against ... Apr 2, 2023 · The color of marcasite can be pale bronze yellow or a brassy color with grayish-green streaks and commonly cut into small rose cuts. Marcasite jewelry is made using cut and polished pyrite. It is not, as the name suggests, genuine marcasite. Green Marcasite. Green marcasite is yellowish-green marcasite crystals inside of chalcedony, agate, or ... Garnet and Marcasite Ring, 925 Silver Marcasite and Garnet Ring, Vintage Garnet Ring, Marquise Cut Garnet Ring Size 8.25 Item w#1802 Ad vertisement by WestgateJewels. WestgateJewels. 5 out of 5 stars (2,503) $ 38.99. FREE shipping Add to Favorites Garnet and Marcasite Ring Size 6/Sterling Silver/Square Princess Cut Garnet/Genuine Garnet/Total ...Marcasite Set Fan with a Bow Sterling Silver, Signed BB Old Style Earrings. Screw Back On the Ear Earrings. 1945 to 1955 Designer Marcasite (6.6k) $ 25.00. Add to Favorites Antique Victorian Carved Carnelian Marcasite Sterling Necklace and Drop Dangle Earring Set (170) Sale Price $100 ...marcasite ý nghĩa, định nghĩa, marcasite là gì: 1. a mineral that can be cut and made to look like precious stones and is used to make jewellery 2…. Tìm hiểu thêm.Golden Marcasite Nodule, 123g, Golden and Silver Prophecy Stone, New Rare Find, Stone of Attraction and Balance, Pakistan L806 (8.6k) $ 75.00. FREE shipping Add to Favorites Pyrite mineral, Marcasite Nodule, Golden Prophecy Stone, Crystal of Protection,Pyrite Specimnen, Pyrite Gemstone From Mansehra Pak 107 Grm ...Sterling Butterfly 70's Vintage Sterling Silver Marcasite Butterfly Pendant Mother's Day Gift. (287) $68.34. FREE shipping. Vintage Marcasite & Crystal Earrings, Ring and Butterfly Pendant. Marcasite Wholesale Collection Set. (111)Marquise Cut Marcasite Eternity Sterling Silver Band Ring , Pointed Oval Marcasite Ring, 925 Silver Stackable Ring, Dainty Marcasite Ring. (83) $43.49. $57.99 (25% off) FREE shipping.Marcasite 925 Safety Pin w Black Stone Onyx Heart Charm Dangle, 925TH Signed Vintage Sterling Silver Marcasite Jewelry, Brooch Pin Pendant (6.6k) $ 35.00. Add to Favorites vintage Sterling silver handmade brooch, 925 silver butterfly pin with obsidian and marcasite inlay, stamped 925 (5.3k) Sale Price $58 ...Please note that cleaning Marcasite Jewelry is the key to regular cleaning to prevent misting during regular usage. Your work becomes more difficult if you leave the dirt to accumulate a lot and then suddenly try to remove it. 4. Vinegar. Soak your Marcasite jewelry in the solution of water and 5-6 teaspoon of vinegar.After enjoying a brief hiatus, marcasite became fashionable again in the 1920's and 1930's. Today, NOVICA celebrates the renewed interest in marcasite in this fabulous collection of marcasite earrings from around the world. Explore our handmade marcasite jewelry sets to find an original design to suit your personal style! Thailand is ...Marcasite Silver Art Deco Style Women's Wrist Watch, Marcasite Encrusted, Filigree Band, Delicate Petite Wrist Watch, Vintage Wrist Watch (1.2k) $ 73.43. FREE shipping Add to Favorites Rare Vintage Ladies 1920s/30s Art Deco 17 Jewels Silver Plated Stainless Steel Ornate Marcasite Jeweled Case Wristwatch With Stretch Strap ...Marcasite is often mistakenly confused with pyrite, but marcasite is lighter and more brittle. Specimens of marcasite often crumble and break up due to the unstable crystal structure, and it is this crystal structure that is the main difference between marcasite and pyrite. Though marcasite has the same chemical formula as pyrite, it ...Abstract. The formation of pyrite and marcasite from a FeS precursor has been examined experimentally. In aging experiments at 65C, the conversion of precursor amorphous FeS depends on these geologically relevant variables: concentration of sulfur-contributing species, acidity, redox state, time, Fe(II)/S(-II) ratio in solution, and addition of an organic ligand (citrate).Marcasite mineral is a metastable iron sulphide, α-FeS2, less known and less abundant than pyrite β-FeS2. Their chemical compositions are similar, formed by S22- dimers and Fe2+ species, but the ...Marcasite Silk Tassel, Assorted Colors, Red, Gray, Black, Light Blue, Green, and Dark Blue, Rosary, Necklace, Priced per Piece, TAS03 (1.6k) $ 15.75. Add to Favorites ALLURING 925 Sterling Silver 18 Carat Emerald Step Cut Orange Yellow Citrine &Glitter Sparkles Marcasite Pave Classic Filigree Cocktail Ring ...Marcasite Earrings, 925 Sterling Silver Rose Earrings for Women Vintage Marcasite Jewelry Flower Stud Earrings with Omega Back. 4.0 out of 5 stars 6. $49.00 $ 49. 00. FREE delivery Sat, Oct 14 . Or fastest delivery Wed, Oct 11 . Gemondo. USA Sterling Silver 925 Marcasite Art Nouveau Lace Pattern Chandelier Drop Earrings.Vintage argentium silver ring Art deco marcasite ring for women 935 silver pinky ring. (268) $33.90. $45.20 (25% off) Vintage amethyst gemstone marcasite ring marked sterling silver ACI, size 7.5. February birthstone.Marcasite will start to overgrow previously corroded pyrite grains, as well as replacing previously formed iron hydroxide crusts (Fig. 5C′). In order for substantial marcasite growth to occur the supply of dissolved iron has to be sustained for some time (probably at least weeks to months). This would imply that within the lag, pyrite ...Marcasite ladies watch- Silver marcasite- watch by BOCCO- marked .925- Bomac USA- 7 inch band watch- marcasite- silver marked .925 (315) $ 45.00. Add to Favorites Sterling silver marcasite watch bracelet Art Deco style Stamped 925 Vintage lady's wrist watch Linked floral bracelet Estate jewelry (159) $ 153.00. FREE shipping ...A vintage Sterling Silver pin brooch designed by Judith Jack, a high-end designer who specializes in marcasite jewelry, often with an Art Deco appearance. The brooch is made in a geometrical design, encrusted with onyx, Coral and Marcasite stones. Marked with a Sterling Silver hallmark, and a JJ mark, on the backside. Circa: Mid 20th century.Marcasite is the lesser known companion of the famous mineral Pyrite. Marcasite has the same chemical formula as Pyrite, but crystallizes in a different crystal ...The Popularity of Marcasite Jewelry. The Georgian period saw the rise of Marcasite again after it died out in the middle ages. This is in the 1700's when cutting and molding intricate steel became possible. Since Marcasite is cheaper and less rare than diamonds, people used it instead of more extravagant prices.Shop our collection of Marcasite fine jewelry at Macys.com! Find the latest trends, styles and deals with free shipping or curbside pickup available!In fact, the inversion of marcasite to pyrite is known to occur under hydrothermal conditions (Yao et al., 2020) and marcasite is metastable compared to pyrite at all temperatures relevant for ...Black And White Marcasite Two Cute Sitting Cat Kitten Kitty Brooch Pin For Women .925 Sterling Silver White Mother of Pearl Black Onyx. 4.0 out of 5 stars 12. $49.99 $ 49. 99. FREE delivery Wed, Oct 4 . Small Business. Small Business. Shop products from small business brands sold in Amazon's store. Discover more about the small businesses ...Vintage argentium silver ring Art deco marcasite ring for women 935 silver pinky ring. (268) $33.90. $45.20 (25% off) Vintage amethyst gemstone marcasite ring marked sterling silver ACI, size 7.5. February birthstone.Jan 18, 2022 ... Marcasite is an instantly recognisable stone, creating unique and intricate designs. It has been used for millennia and is now often sought ...The Popularity of Marcasite Jewelry. The Georgian period saw the rise of Marcasite again after it died out in the middle ages. This is in the 1700's when cutting and molding intricate steel became possible. Since Marcasite is cheaper and less rare than diamonds, people used it instead of more extravagant prices.PYRITE SUNS FOR SALE. Pyrite suns or pyrite dollars are a unusual pyrite formation exhibiting striations radiating out from the center like rays of the sun. They are found in narrow, compacted seams of slate interbedded in the 300 million year old coal deposits near Sparta, Illinois. People used to believe that pyrite suns were fossils which ...Raw nodule Marcasite Golden Pyrite macrame necklace /Ascension Stone rough mineral pendant protection gift for best friend (5.5k) $ 55.00. FREE shipping Add to Favorites Eilat Jewelry Ring Stone, Marcasite Stone designed in the middle, Silver Ring, Classy Jewelry, Raw Eilat Stone (469) $ 132.99. FREE shipping ...Uses of Marcasite. Marcasite has been used for various purposes throughout history, but it is perhaps best known for its use in jewelry making. Here are some of the most common uses of marcasite: Marcasite is a popular choice for jewelry makers due to its metallic luster and sparkle, as well as its relatively low cost compared to other gemstones.The Marquise cut Rainbow Ring in Sterling Silver with Marcasite . Split band ring. I LOVE my ring!!! Thanks so much. Elmien de Beer . 09/26/2023 . Brilliant cut Moissanite Split Band Ring . Brilliant. We absolutely love the ring. What a pleasure dealing with Victoria's Jewellery - your service was superb.Everything you ever wanted to know about marcasite. Find value guidelines, scientific data, expert comments, and more in our Gemstone Listings.How to pronounce marcasite. How to say marcasite. Listen to the audio pronunciation in the Cambridge English Dictionary. Learn more.The phase of marcasite seems to have no negative effect on the electrochemical performance of the material. A much higher specific capacity of the synthesized FeS 2 sample may probably lead to significant increase in discharge capacity of commercial Li/FeS 2 batteries, subsequently strengthening the competitive ability of …Jan 28, 2017 · Pyrite is sometimes incorrectly known as Marcasite in the gemstone trade. Marcasite is mineral that is a polymorph of Pyrite, and can be fragile and unstable, and is not fit for gemstone use. The mineral pyrite, or iron pyrite, also known as fool's gold, is an iron sulphide with the chemical formula FeS2. This mineral's metallic luster and pale ... Marquise Cut Marcasite Eternity Sterling Silver Band Ring , Pointed Oval Marcasite Ring, 925 Silver Stackable Ring, Dainty Marcasite Ring. (83) $43.49. $57.99 (25% off) FREE shipping.Marcasite Jewellery and Silver Jewellery Wholesale and Retail label based in Melbourne Australia. Now shop with Afterpay on all purchases. We take custom orders of any sizes & length for our Marcasite Jewellery. The turnaround time is 3 weeks. Jewellery proven by our customers to be defective due to the manufacturing process will be replaced.Black And White Marcasite Two Cute Sitting Cat Kitten Kitty Brooch Pin For Women .925 Sterling Silver White Mother of Pearl Black Onyx. 4.0 out of 5 stars 12. $49.99 $ 49. 99. FREE delivery Wed, Oct 4 . Small Business. Small Business. Shop products from small business brands sold in Amazon's store. Discover more about the small businesses ...The formation of pyrite and marcasite from a FeS precursor has been examined experimentally. In aging experiments at 65°C, the conversion of precursor amorphous FeS depends on these geologically relevant variables: concentration of sulfur-contributing species, acidity, redox state, time, Fe(II)/S(−II) ratio in solution, and addition …The Popularity of Marcasite Jewelry. The Georgian period saw the rise of Marcasite again after it died out in the middle ages. This is in the 1700's when cutting and molding intricate steel became possible. Since Marcasite is cheaper and less rare than diamonds, people used it instead of more extravagant prices. rocks and minerals that spark for percussion firestarting. i've been collecting rocks and minerals that throw sparks in conjunction with a ground-down steel file. throw sparks: basalt, tourmaline, granite, quartz, quartzite, iron pyrite, chert, flint, marcasite, spessartine garnet, obsidian, gneiss. may throw sparks, but haven't tried yet (and ...Black onyx marcasite Ring SILVER 925 Luxury jewelry vintage jewels mid century rings black jewels findings Women black jewels (1.7k) $ 50.00. FREE shipping Add to Favorites Art Deco Marcasite and Onyx Sterling Silver Oval Ring $ 307.74. Add to Favorites Art Deco Sterling Black Onyx Marcasite Ring ...Marcasite is a common worldwide iron sulfide. It was common in Victorian times for jewelry and still used for the same purpose today. Actually, marcasite ...Elegant Butterfly SWAROVSKI Amethyst Crystal 925 Silver Brooch/High Quality Luxurious Pin Marcasite NEIMAN MARCUS Rare Purple Brooch/No.011. (341) $126.00. FREE shipping. Sky blue ad grey necklace with oval faceted cream opal.Marcasite tassel and Swarovski.Rosary chain gunmetal Black Diamond AB crystal. Light.Physical Properties of Marcasite. On fresh surfaces, marcasite color ranges from white to pale bronze-yellow; on exposure, the surface darkens and tarnishes, possibly displaying iridescence. Marcasite luster is metallic; its hardness is 6.0-6.5; its streak is dark grey to black with greenish overtones; and its density is 4.875 to 4.877.Owl Necklace, Black Marcasite Owl Charm on Hematite Chain, Sterling Silver Owl Charm Necklace. (165) $41.95. FREE shipping. Lizard silver brooch, lizard silver pin, sterling silver brooch, marcasite, lizard lover gift, Circa XX. Vintage & Antique Jewelry. (584) $38.77.Marcasite brooches were a Victorian favorite, as well as lockets, cameos and earrings. The marcasite used in jewelry today is a form of iron pyrite. With its metallic luster and fiery sparkle, marcasite has also been called Fool's Gold. When cut with facets, marcasite shimmers like tiny diamonds, but is much more affordable.Marcasite is a brassy yellow gemstone with a brilliant metallic luster. The stone is quite similar to pyrite, with only a few notable differences but lots of intertwined history.. Throughout the years, marcasite has been valued as a source of sulfur and a sparkling addition to jewelry or decor at a lower price than precious gems like diamonds.Vinyl Wall Covering Vycon Contract Legacy Marcasite. Download Image. Vycon Contract Legacy Marcasite | Y46132LG. Calculator. Roomscene. Colors Available: WILD ...Marcasite jewellery is jewellery made using cut and polished pieces of pyrite (fool's gold) as gemstone, and not, as the name suggests, from marcasite. Both pyrite and marcasite are chemically iron sulphide, but differ in their crystal structures, giving them different physical properties. Pyrite is more stable and less brittle than marcasite.Marcasite definition, a common mineral, iron disulfide, FeS2, chemically similar to pyrite but crystallizing in the orthorhombic system. See more.Marcasite crystals tend to have a more bronze or brassy color, while pyrite crystals are brighter and more golden in hue. Additionally, marcasite has a monoclinic crystal structure, while pyrite has an isometric crystal structure. Finally, marcasite has a perfect cleavage in two directions, while pyrite has an uneven or conchoidal fracture.Check out our marcasite and pyrite selection for the very best in unique or custom, handmade pieces from our gifts under $30 shops.Inspired by marcasite existed under acidic environments in nature, we report a sulfur doping–driven structural transformation from pyrite-type cobalt diselenide to pure marcasite counterpart. The resultant catalyst drives hydrogen evolution reaction with low overpotential of 67 millivolts at 10 milliamperes per square centimeter and exhibits no …Nov 30, 2021 · Vintage marcasite rings made of silver are worth from 100 to 200$ depending on the size and provenance. Marcasite rings are quite rare, as marcasite is a soft and easily destroyable mineral. So it’s hard to find a well-preserved ring. Modern marcasite rings are worth 20-50$. Explore NOVICA's Marcasite Jewelry Collection. Discover traditional and contemporary-style necklaces, bracelets, earrings and rings handcrafted by global ...The name marcasite refers to an ancient province of northern Iran (ancient Persia), called “Marqashith.” Be careful with marcasite and pyrite, since both are confused with relative ease. In fact, many people apply one of the properties of pyrite on the marcasite without obtaining the desired result.Marcasite Triangle Ring Long Dangle Earrings Sterling Silver, Shiny Evening Drop Earrings, Floral Ornament Dainty Ring, Armenian Jewelry (1.3k) Sale Price $53.20 $ 53.20 $ 56.00 Original Price $56.00 (5% off) FREE shipping ...Marcasite is known for its bright, metallic luster and delicate, intricate patterns that make it a popular choice for vintage and antique-style jewelry. However, marcasite is also more brittle and prone to breakage than pyrite, which has a more rugged, earthy appearance and is often used in more casual or rustic designs. 2. Marcasite is a soft stone, so it can be easily scratched. Use a soft, lint-free cloth to wipe away any dirt or debris. If your marcasite is particularly dirty, you can use a soft toothbrush to gently scrub away the dirt. Be sure to use only water and avoid any harsh chemicals or cleaners. Marcasite can also be cleaned with a ultrasonic jewelry ...Dec 20, 2022 · Marcasite itself is a granular stone with relatively low hardness (6 to 6.5 on the Mohs scale) and a very distinct cleavage. That, together with its brittle nature makes it quite unsuitable for most jewelry purposes. Notice the marcasite work in these earrings. See them here. As a result, most marcasite jewelry actually contains pyrite. Marcasite mineral is a metastable iron sulphide, α-FeS2, less known and less abundant than pyrite β-FeS2. Their chemical compositions are similar, formed by S22- dimers and Fe2+ species, but the ...Marquise Cut Marcasite Eternity Sterling Silver Band Ring , Pointed Oval Marcasite Ring, 925 Silver Stackable Ring, Dainty Marcasite Ring (80) Sale Price $43.49 $ 43.49 $ 57.99 Original Price $57.99 (25% off) FREE shipping ...Marcasite Metaphysical Properties and Benefits. Marcasite works with the three lower chakras, creating a flow of energy between the Root, Sacral, and Solar Plexus Chakra. …Sterling Silver Fresh Water Pearl Marcasite Vintage Flower Ring. Sale price $46.76 Regular price $82.88. Choose options Quick view. Excellent milgrain details create a design with Victorian flair, providing you with ultimate glamor. Marcasite ring is a classic and elegant way to accessorize. Quick View. Ancient style turquoise bezel setting ring. SKU : HR1576-ONX. 4.3g. Contact Wholesale Price. Quick View. filigree style red agete bezel setting ring.Explore NOVICA's Marcasite Jewelry Collection. Discover traditional and contemporary-style necklaces, bracelets, earrings and rings handcrafted by global ...Marcasite tends to be lighter in color, and is sometimes referred to as "white iron pyrite". Sometime marcasite has a greenish tint, or a multi-colored tarnish that is the result of oxidation. But marcasite has an unstable orthorhombic crystal structure and is liable to crumble and break apart. In some cases marcasite will react with moisture ...marcasite definition: 1. a mineral that can be cut and made to look like precious stones and is used to make jewellery 2…. Learn more.1920's Sterling Marcasite "SLM" Initial Brooch Vintage Extra Large Estate Pin Solid 925 Silver Antique Marcasite Art Deco Initials Brooch. (61) $85.00. Monogram Brooch. 1950s Silver Marcasite Brooch. Italian Silver marcasite Pin - Art Deco. Vintage Initial Name Brooch. (22) $52.00. FREE shipping.Healing Properties of Marcasite Gemstone. In magic, Marcasite, a glorious talisman is an emblem of expressiveness, wisdom, courage and equity. It allows the owner to enter into the conscious mind. Simply by making the personal power of the wearer stronger, Marcasite is recognized as a happy family life charm and also built the harmonized soul.Starting from the late 1830s to the early 1900s, Britain was under the rule of Queen Victoria. Her reign also ignited interest in iron pyrite jewelry, although by this time it was widely used. After the death of her husband, Prince Albert, in 1861, Queen Victoria mourned his death until she passed away in 1901.Marcasite, the rarer FeS 2 mineral, is present in marine black shales spanning the Phanerozoic. This is puzzling because laboratory experiments and theory suggest that marcasite should only form in very acidic conditions (pH < 5.5) that are absent in modern marine sediment pore waters. Interestingly, at the times marcasite formed, proxies indicate that surface ocean pH was on average ~0.5 ...First, jewelry sold as "marcasite" is really polished pyrite. From a marketing sense, pyrite is often associated with the term "fool's gold" and who wants jewelry made out of that? "Marcasite" sounds much more glitzy, even though it too is a type of fool's gold. The second reason is marcasite's propensity to break down fast when exposed to the air. Antique and vintage marcasite jewellery is set in silver although you do get cheaper imitations from the 1950's-60's set in steel. It was made in various parts of the world, England, France, Germany, America, etc, so there are different silver hallmarks to be found. Most common are SILVER, STERLING, 935, 800, 835, and the tiny indistinct French ...The structural and electro-optical influence of marcasite on the properties of solution-processed iron pyrite thin films was investigated. Marcasite has a strong tendency to form simultaneously with pyrite upon sulfurization of amorphous iron-oxide precursor films, leading to a mixed-phase structure in which pyrite grains are surrounded by nanocrystalline marcasite boundaries.Sterling Silver Marcasite & Pear Diamond Drop Necklace. (285) $184.97. $205.52 (10% off) FREE shipping. Vintage Marcasite, Mother of Pearl natural, 925 sterling Silver Victorian Style Pendant. Optional Matching 5 Line Rhodium Sterling Chain, (3k) $55.00.Sep 15, 2022 - Adorned with marcasite gemstones, this Lavish by TJM floral ring is an elegant accessory that complements any outfit.What is Marcasite really? Marcasite is a silvery-gold iron sulfide (FeS2) This fragile mineral is difficult to cut or shape because it splits or crumbles rapidly. Marcasite tarnishes readily with moisture, yielding sulphuric acid and a greenish-black tint. Marcasite's tarnish-resistant twin is pyrite.marcasite, an iron sulfide mineral that forms pale bronze-yellow orthorhombic crystals, usually twinned to characteristic …Apr 17, 2020 · Marcasite, with dark gray-green stripes, is a bright bronze gold color or brass. It is hardness-sized 6 to 6.5 and opaque, with a perfect sparkling metal luster. It is typically limited to small rose cuts. In marcasite crystals, twinning is prevalent and can create a shaped spearhead that is mistaken for Roman weapons. Marcasite arata ca un cristal opac masiv. În pictura lui sunt caruntului, uneori roz, întuneric roz sau roșu nuanțe. cristale roșii sunt adesea folosite în bijuterii, acestea pot fi supuse la tăiere. De asemenea, găsi cristale de alte culori - de la verde, la negru. Minerale vin peste o culoare galben-portocaliu, cu o tentă verzuie.The Popularity of Marcasite Jewelry. The Georgian period saw the rise of Marcasite again after it died , Marcasite bracelet silver 925 red stones garnets for women, Armenian handmade silver jewelry and volcani, Johnathan Hill used the name marcasite in 1771, but his usage was, Marcasite Eternity Sterling Silver Band Ring , 925 Silver Marcasite Ring, 925 Silver Stackable Ring, Dainty Marcasite, Nov 30, 2021 ... Marcasite is a highly valuable mineral when found in vintage jewelry. Marcasite, Marcasite is a pale yellow to almost white with a metallic luster. Marcasite is not easily c, Marcasite Moon Cabochon, Natural Marcasite Gemstone For Ma, A marcasite stone engagement ring is a beautiful choice for those, Marcasite is a brassy yellow gemstone with a brilliant metallic luster, marcasite (countable and uncountable, plural marcasites) (m, Metal base: Unlike most other jewelry that features ge, Fashion Silver Marcasite Bangle Bracelets for Women G, Marcasite is not a for any particular sign of the zodiac, s, Marcasite is said to be a gemstone used for powerful , marcasite translate: 白鐵礦石（加工後看似寶石，用於製造廉價珠寶）. Learn more in the Cam, Topaz Marcasite Ring, Sterling Silver, Vintage Octagonal Ring, Lab Bl, The mineral marcasite, sometimes called "whit, Marcasite is a pale bronze yellow or brass color, with dark gray.