Quartz : SiO2, Calcite : CaCO3

minID: 1GT-WCH

Quartz : SiO2, Calcite : CaCO3

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Dimensions: 3.2 cm x 3.9 cm x 2.6 cm

Overall specimen dimension 3.2 x 3.9 x 2.6 cm
Doubly terminated Quartz crystal with a ring of small, sharp calcite crystals circling the middle of the quartz. Second photo shows rear of specimen and the cast. May be Quartz after Anhydrite (?).
Collection of Carolyn Seitz
Photograph John Veevaert
No damage visible

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Photo added: 22nd Aug 2010

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