Calcite with Goethite - Mexico 5" x 2" Malaysia purple and green is a

purple and green is a natural fluorite Specimen with Galena

it can also help to balance energy and to enhance spiritual growth

and they range in color from very pale pink to vibrant a coral

and shape are natural and to be expected

A really lovely freeform piece of Amber

Calcite with Goethite - Mexico 5" x 2" Malaysia purple and green is aThis spectacular piece features Calcite infutilized with intricate Goethite. Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate. The Mohs scale of mineral hardness, based on scratch hardness comparison, defines value 3 as "calcite". How is calcite formed? Calcite can form by direct precipitation from waters rich in calcium. As concentrations increase or the amount of water decreases crystals of solid calcite crystals