mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3(F,Cl,OH))
AI-generated identification · may be incorrectHardness of 5 on the Mohs scale, vibrant blue to teal color, vitreous luster, hexagonal crystal system, and poor cleavage.
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Physical properties
Hardness of 5 on the Mohs scale, vibrant blue to teal color, vitreous luster, hexagonal crystal system, and poor cleavage.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through crystallization from phosphate-rich hydrothermal solutions or magmas.
Uses & applications
Used primarily for fertilizer production, industrial phosphoric acid, and as a collector's mineral or lapidary gemstone.
Geological facts
Apatite is the defining mineral for the 5th point on the Mohs hardness scale and is the main component of teeth and bones in vertebrates.
Field identification & locations
Identified by its distinctive hexagonal prisms, characteristic 5 Mohs hardness, and vibrant blue coloration; commonly sourced from Madagascar, Brazil, and Mexico.
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Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Granite
Granite (Phaneritic intrusive igneous rock)
igneous