Calcite is a carbonate mineral with the biochemical calcium carbonate. Calcite Is formed with Calcium (Ca) and Carbon Trioxide (Co3). It is one of the most widely distributed mineral's on the earth's surface. Calcite crystals are also used to create gypsy's crystal balls. Stalagmites and stalactites are also types of calcite that forms in caves. Calcite may have different colors or even no colors at all. Calcite appears as colorless, white, gray, yellow, and green. Calcite is a fluorescent mineral.
Gallery[]
Calcite in the form of oolitic limestone from Bedford, Indiana. Specimen is about four inches (ten centimeters) across.
Calcite in the form of chalk from Dover, England. Specimen is about 4 inches (10 centimeters) across.
Calcite in the form of lithographic limestone from Solenhofn, Bavaria. Note the fine, uniform texture that is characteristic of lithographic limestone. Specimen is about 4 inches (ten centimeters) across.
Calcite in the form of oolitic limestone from Tyrone, Pennsylvania. This specimen is approximately four inches (ten centimeters) across.
Calcite in the form of translucent onyx from Tecali, Mexico. Specimen is about four inches (ten centimeters) across.
Transparent calcite (known as "Iceland Spar") from Chihuahua, Mexico. This specimen shows excellent double refraction. Specimen is about four inches (ten millimeters) across .
Calcite in the form of calcareous tufa from Mumford, New York. This specimen is approximately four inches (ten centimeters) across.
Calcite in the form of a pink marble from Tate, Georgia. This specimen is approximately four inches (ten centimeters) across.
Calcite in the form of white, coarsely crystalline marble from Tate, Georgia. Specimen is about four inches (ten centimeters) across.