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Showing results for tags 'malachite'.
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Malachite Azurite Native Silver pseuodmorph botryoidal chrysocolla
Agateyes posted a topic in Rocks & Minerals
Hello all, I need help identifying a piece I was inherited recently. My best guess is a combination of Azurite, malachite, native silver, botryoidal chrysocolla, and some type gemstone imbedded in the azurite main specimen, with who knows what. I could be way off, but I’m going off similar pieces of my collection and knowledge. The top has an interesting metallic botryoidal effect around the main specimen. I am unsure of the location and it has some weight. Thanks in advance for your consideration and assistance, Mike -
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- dendrites
- iron veins
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Any idea what kind of masks these are? I used a knife and lightly scraped the mask and looked like glass when it broke off but has an agate pattern to it. Any help would be appreciated. Thank you
- 9 replies
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- agate
- green glass
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Here are two interesting Pennsylvanian fossils that I bought at the Flagg Gem and Mineral Show in Mesa, Arizona (~4.5 inches wide) from the Apex Mine near St. George, Utah hosted in the Callville Limestone. A Chatetes sp. sponge is coated in azurite and malachite. Syringopora sp. coral molds are in goethite with significant germanium and gallium values. The goethite replaced the limestone. See this USGS article about the mine: https://pubs.usgs.gov/bul/1577/report.pdf
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- azurite
- callville limestone
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Good morning to everyone! I just bought this beautiful rock auction. The seller says it's a Malachite Fibrous, which was discovered in Katanga, Congo. It's real? Is there really such a beautiful stone or has it received any chemical treatment, or is it still adulterated in any way? Thank you for your help!
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- its real?
- katanga congo
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Authenticity of these pieces? Jade? Aventurine? Malachite?
Gemstonefreak posted a topic in Rocks & Minerals
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- authenticity
- aventurine
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