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Zeolite -Specimen -Amethyst -Crystal -Chalcedony -Quartz -281g
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Zeolite -Specimen -Amethyst -Crystal -Chalcedony -Quartz -281g
This is a gorgeous, wide specimen that features amethyst crystals that formed over druzy quartz chalcedony.
SKU: 127488955123
Categories: Crystal, Crystals, Rocks, Rock, Gemstones, Gemstone, Minerals, Mineral, Precious Stone , Stone, Stones, Zeolite, Specimen
Tags: Collection Piece, Zeolite, Specimen, Amethyst, Crystal, Chalcedony, Quartz, Collection, Piece, Zeolite Specimen
Chalcedony is any microcrystalline variety of silica composed of very fine intergrowths of quartz and moganite. Microcrystalline meaning the crystals are microscopic and cannot be observed by the naked eye. Both quartz and moganite have the same chemical formula SiO2 (silicon dioxide) but different crystal structures. When free from impurities, chalcedony is colorless and transparent. Dependent on impurities present during formation, chalcedony can form in a wide variety of colors including red, yellow, green, blue, purple, grey, white and numerous color hues in between. Chalcedony is quite hard, being a 7 on the Mohs Hardness Scale, which makes sense considering quartz is the benchmark mineral for a 7.
Weight 281g
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