mineral
Amazonite
Microcline feldspar (KAlSi3O8)
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale, vivid cyan-green to blue-green color, vitreous luster, and triclinic crystal system with good cleavage.
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Physical properties
Hardness of 6 on the Mohs scale, vivid cyan-green to blue-green color, vitreous luster, and triclinic crystal system with good cleavage.
Formation & geological history
Forms in pegmatites and granitic rocks through hydrothermal processes and slow cooling of molten magma over millions of years.
Uses & applications
Widely used as an ornamental gemstone for jewelry, carvings, and as a popular specimen for mineral collectors.
Geological facts
The vibrant blue-green color was historically attributed to copper, but modern studies show it results from trace amounts of lead and water.
Field identification & locations
Identified by its distinct grid-like twinning and bright turquoise color; commonly sourced from Russia, Brazil, Colorado, and Madagascar.
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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