Rainbow Marcasite, Rainbow Gem
Commissioned by Sophiaa (Patreon / Discord Group)
seen from Russia

seen from United States
seen from China

seen from Türkiye
seen from United States
seen from Germany
seen from Türkiye

seen from Türkiye
seen from Switzerland

seen from France
seen from United States

seen from Australia

seen from Switzerland
seen from Malaysia

seen from United States
seen from Switzerland
seen from Germany

seen from Germany

seen from Switzerland
seen from China
Rainbow Marcasite, Rainbow Gem
Commissioned by Sophiaa (Patreon / Discord Group)

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Antique Gold Marcasite Pearl Garnet Ring Band
Source - Boylerpf
Prophecy Stones(Goethite Pseudomorph after Marcasite) from the White Desert in Egypt
This means that goethite has replaced marcasite , but the resulting goethite retains the external shape or crystal form of the original marcasite
📹: Coloradogemworks
Alexander Walker
Lustrous Marcasite Blades with Calcite, Pyrite & Quartz - Panasqueira Mine. Available direct. Ships easily from Connecticut within the USA (no tariffs). Request a PayPal invoice.
8.2" Polished Marcasite Agate Slab - Indonesia

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Baryte With Marcasite | Lubin Mine, Gmina Lubin, Lubin County, Lower Silesian Voivodeship, Poland
Purple fluorite with marcasite cockscomb clusters — Inner Mongolia, China. This is an unusual pairing you don't see often: the silvery, crested sprays on top are marcasite, not pyrite. Both are iron disulfide (FeS2) with identical chemistry, but they crystallize in different systems — pyrite is cubic (isometric), marcasite is orthorhombic, and marcasite preferentially forms at lower temperatures in more acidic, sulfate-rich fluids. That's why you find it with fluorite here: the late-stage hydrothermal fluids in this deposit were cooler and slightly more acidic when the iron sulfide precipitated, giving it that classic radiating cockscomb habit instead of clean pyrite cubes. Collector's note: marcasite is chemically less stable than pyrite and can slowly oxidize into sulfuric acid and iron sulfates — store it dry and away from humidity.
🌻✨FIVE new pieces up on my shop! ✨🌻
I've updated the shop with five new pieces: three coyote tooth earrings with amethyst, sodalite, and moonstone ($40USD each) , a belomorite pendant ($35USD) and a marcasite PENDANT ($35USD)! These are all super unique and I'm super pleased with them all.
Iiiiiiiii.... Am trying to save up money to make the upcoming vet appointment to get Junebug his flea and tick meds a little easier on our wallets! It's been a brutal tick season on our end, so while we intended to get him on them, we're hoping to get him on them a littttttle faster than anticipated. So I'd super appreciate you taking a look at these (and the other pieces I've got in the shop!) And keep an eye out; I plan on adding more pieces throughout the week!
Happy journeys into June, my friends!