Calcite Facts

Calcite Facts
Calcite is a very abundant mineral found in the Earth's crust. It is found in sedimentary rock. Calcite contains carbon, calcium, and oxygen which are collectively known as calcium carbonate. It is usually mined from deep underground or quarried from the surface of the Earth.
Interesting Calcite Facts:
Calcite comes in many different shapes and colors which makes it a popular choice among collectors.
Found in over 300 different shapes, calcite has more different shapes than any other mineral.
Calcite is commonly used to make cement.
Although calcite can come in many dark colors, its streak is always white or light-colored.
Limestone, which is used in chalk, is made of calcite.
Calcite is used in optical instruments because it has the ability to make objects appear doubled.
It is very common to find calcite in the shells of certain marine animals.
A distinctive characteristic of calcite is that it bubbles when exposed to a weak acid.
When large, underwater rocks containing calcite are exposed to acid, they dissolve and make caves.
Calcite can be found in various countries in the world including Mexico, the US, England, India, and Germany.
Calcite in the form of limestone is used to make dog food.
Sea organisms whose shells are made of calcite help balance the amount of CO2 in the ocean by absorbing it to make their calcite shells.
Calcite is an example of a fluorescent mineral in that it can emit light when connected to a non-visible UV light.
Calcite is also phosphorescent in that after being disconnected from a non-visible UV light, it still glows.
Calcite also emits light when it is heated much like steel.

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