Chiastolite
Chiastolite is a type of crystal that is characterized by a dark center cross. It […]
Chrysanthemum Stone is a type of crystal with a long and interesting history. Its name
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Blue Chalcedony is a semi-precious crystal that has been used throughout history for everything from
Arfvedsonite is a black crystal that was first discovered in 1823 by chemist Johan August
Ammonite is a crystal that has a long and interesting history. Ammonites are the fossilized