Approximate Size and Weight: Small: 2.5-3" (100 to 225 grams) Medium: 3-3.5" (225 to 350 grams) Large: 3.5-4" (350 to 450 grams)
Blue Calcite is a form of calcium carbonate, which is the same mineral that makes up chalk. Calcite comes in many different colors and it is one of the most common parts of the sedimentary stone. Although Blue Calcite is found in abundant masses and is fairly common, a majority of specimens come from Mexico. The deepest color blue specimens come from South Africa.
Chemical Formula: CaCO3
Hardness: 2.5-3
***NOTE TO BUYER***
This is a "random selection" listing. You will NOT receive the exact item photographed in the listing, but one that is very similar. However, due to unique nature of each mineral the size, shape and color may vary slightly.
