Mineral: Chalcedony

Chalcedony is a fibrous, cryptocrystalline form of quartz. It is technically a rock, not a recognized species of mineral. Forms include: Agate, Jasper, Moss Agate, Onyx, Chrysoprase, Carnelian, Flint, Chert, pseudomorphs such as Petrified Wood, Adventurine, Bloodstone, Opals and Thunder Eggs
300 Pins
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13 Sections
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5mo