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The exterior of an agate geode is typically plain and unremarkable
Size: 6x5x7 cms
particularly in the Almería and Murcia provinces
depending on the surrounding rock (typically phosphorite or sandstone)
Cobalto Calcite knightia The exterior of an agateSize: 11x6x11 cms Weight: 604 grams Location: Mexico Product Description: Cobalto Calcite is a rare and striking mineral from Mexico, known for its vibrant pink to purple color. It's a type of calcite that owes its color to trace amounts of cobalt. Geological Information: Location: Mexico (specifically, the states of Chihuahua and Sonora) Type: Calcite with cobalt impurities Formation: Forms in hydrothermal veins, where hot water rich in minerals
US$ 345.00
US$ 149.00
US$ 80.00