mineral
Labradorite
(Ca,Na)(Al,Si)4O8
AI-generated identification · may be incorrectHardness of 6-6.5 on the Mohs scale, exhibits chatoyancy or labradorescence with blue, green, and gold flashes, triclinic crystal system, vitreous luster.
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Physical properties
Hardness of 6-6.5 on the Mohs scale, exhibits chatoyancy or labradorescence with blue, green, and gold flashes, triclinic crystal system, vitreous luster.
Formation & geological history
Forms in mafic igneous rocks like basalt and gabbro through slow cooling of magma, often found in anorthosite intrusions.
Uses & applications
Widely used as a gemstone in rings, pendants, and ornamental carvings due to its striking optical phenomenon.
Geological facts
Named after Labrador in Canada where it was first discovered in 1770, it is a feldspar mineral famous for its iridescent play of colors.
Field identification & locations
Identified by its dark gray base and metallic iridescent flashes when rotated under light; common sources include Canada, Madagascar, and Finland.
More like this
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