Vivianite in Fossil Clam Shell from Ukraine TF2675 Sodalite Some believe that chrysoprase can

Some believe that chrysoprase can help alleviate stress

Manganoan Calcite Specimen

crisp crystal form

or granular aggregates that cleave easily

Vivianite in Fossil Clam Shell from Ukraine TF2675 Sodalite Some believe that chrysoprase canVivianite in Fossil Clam Shell from Ukraine Approx. Dimensions: 3x2x2. 25 inches Approx. Weight: 152 grams Locality: Kamysh Burun, Kertch, Crimea, Ukraine Vivianite crystals found in fossilized clam shells from the Kerch Peninsula in Crimea, Ukraine, are highly prized, rare mineral specimens often featuring dark green to black, lustrous crystals (up to \(1. 5\)\(2. 8\) cm) set inside or replacing mollusk shells. These specimens formed in iron rich,