Calcite

Calcite

It is made from calcium, carbon and oxygen. Its formula CaCO3.

Some of Calcite characteristics:

Mohr Hardness Scale - 3

Color - Depends on a lot of factors, mainly on its pureness.

Streak - White

Luster - Vitreous (Glassy)

Density - 2.71 gm/cc.

Crystal Structure - Hexagonal

Cleavage - Is perfect in three directions, forming rhombohedrons

Fracture - Conchoidal

How It Forms - CaCO3 + 2H(+1) ---> Ca(+2) + H2O + CO2

Found In - Mostly Mexico

Uses - In cements, in the production of lime, and limestone is used in the steel industry, used in the glass industry, and in ornamental stones.

Is It Found In Iowa? - Yes, in the southern counties.

Special Characteristics - It glows under UV light. They can sometimes be multicolored.

J0I2D4N I30VV3I25-Jordan Bowers

J35I2IK 60IVI3Z-Jesrik Gomez

Sources

beg.utexas.edu http://www.galleries.com/minerals/carbonat/calcite/calcite.htm www.mindat.org/min-859.html www.minerals.net/mineral/carbonat/calcite/calcite.htm