Mineral Specimens - Cobalt Calcite (Approx. 25 Pieces per Tray)

This cobalt calcite mineral specimen tray contains natural calcite formations coloured by trace amounts of cobalt. Each piece varies in shape, texture, and intensity of pink-to-purple coloration, making every specimen unique.

Product Specifications

Net Weight: 3000g/Tray
Shipping Weight: 3000g
Approx. Quantity: 25 pieces

• Natural cobalt calcite mineral specimens
• Pink to purple crystal coloration
• Each piece unique in tone and formation
• Suitable for display or collection use
• Tray-packed bulk mineral set

Materials/Ingredients

Mineral (Calcite with Cobalt)

Historical & Geological Background

Cobalt calcite is a variety of calcite (CaCO₃) that gains its pink to purple coloration from trace amounts of cobalt within its crystal structure. It forms in hydrothermal environments where mineral-rich fluids deposit calcite alongside cobalt-bearing compounds.

Calcite itself is one of the most abundant minerals in the Earth’s crust, but cobalt-bearing varieties are far rarer and are therefore highly valued by collectors. The striking coloration makes cobalt calcite a popular display mineral in both private and educational collections.