mineral
Apatite
Calcium phosphate fluorapatite, Ca5(PO4)3(F,Cl,OH)
AI-generated identification · may be incorrectMohs hardness of 5, vibrant blue-green color, vitreous luster, hexagonal crystal system, poor cleavage, specific gravity of 3.1-3.2.
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Physical properties
Mohs hardness of 5, vibrant blue-green color, vitreous luster, hexagonal crystal system, poor cleavage, specific gravity of 3.1-3.2.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through the crystallization of phosphate-rich magmas and hydrothermal processes.
Uses & applications
Primarily used to manufacture agricultural fertilizers, phosphate chemicals, and as a gemstone for collector jewelry.
Geological facts
Apatite is the defining mineral for a hardness of 5 on the Mohs scale and shares a chemical formula closely related to human tooth enamel.
Field identification & locations
Identify by its distinctive 5 Mohs hardness and hexagonal crystal habit; common global sources include Brazil, Madagascar, and Mexico.
