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Any mineral that falls under the following specifications belongs to the monoclinic crystal system: Three axes, all of them are unequal in length.

A mineral is a naturally occurring chemical compound, usually of crystalline form and abiogenic in origin. A mineral has one specific chemical composition, whereas a ...

Calcite, which gets its name from "chalix" the Greek word for lime, is a most amazing and yet, most common mineral. It is one of the most common minerals on the face ...

The uses and properties of the mineral calcite with numerous photos.

Descriptions, properties and uses for 80 different minerals

Detailed description, properties, locality information guide about the mineral calcite.

While it is interesting to see how to identify or classify minerals, perhaps it is more important to find out why a mineral is useful to man.

Hardness: Mineral: Associations and Uses: 1: Talc: Talcum powder. 2: Gypsum: Plaster of paris. Gypsum is formed when seawater evaporates from the Earth''s surface.
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