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Amethyst is a form of Quartz which gets its beautiful purple tint from the substitution of silicone for iron due to irradiation
Paradoxides sp
the so-called “Benz” calcite comes from specific formations in Hubei
The spectacular display of colors these specimens display can be formed by two different geological processes: the oxidation of pyrite causing ultra-thin layers of iron oxide to form on the surface
The “Benz” part of the name comes from the tip of some calcite crystals which have a clearly defined three-pointed star of pyrite
Red Quartz w/ Pyrite Trilobite Amethyst is a form of
US$ 48.00
US$ 55.00
