Beautiful Green Calcite - Variety Of Banded Color Specimen - Mexico
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Beautiful Green Calcite - Variety Of Banded Color Specimen - Mexico:
Green Calcite is a calcium carbonate mineral which forms in masses. It is a very soft crystal and is easily scratched.Calcite is truly one of the best collection type minerals.There are lots of interesting forms and varieties as well as colorful and beautiful specimens to collect.
This specimen is 1 LB 4.5 OZ 572 GRAMSAPPROXIMATELY 3 1/4 X 2 1/4 X 3 INCHESCalcite is a common part of sedimentary rocks, limestone in particular, much of which is formed from the shells of dead marine organisms. Calcite, like most carbonates, will dissolve with most forms of acid. Calcite exhibits an unusual characteristic called retrograde solubility in which it becomes less soluble in water as the temperature increases.
Calcite is fluorescent or will glow under a black light. Calcite is white or clear, though shades of gray, red, orange, yellow, green, blue, violet, brown when the mineral contains impurities.