
mineral
Amazonite
Amazonite (KAlSi3O8)
AI-generated identification · may be incorrectHardness: 6-6.5 on Mohs scale; Color: Greenish-blue, turquoise, or light green; Luster: Vitreous to pearly; Crystal structure: Triclinic; Cleavage: Perfect in two directions; Specific Gravity: 2.56-2.58.
- Hardness
- 6-6
- Color
- Greenish-blue, turquoise, or light green
- Luster
- Vitreous to pearly
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Physical properties
Hardness: 6-6.5 on Mohs scale; Color: Greenish-blue, turquoise, or light green; Luster: Vitreous to pearly; Crystal structure: Triclinic; Cleavage: Perfect in two directions; Specific Gravity: 2.56-2.58.
Formation & geological history
Formed in plutonic rocks, primarily granites and pegmatites, as potassium-rich fluids cool. Its characteristic color is caused by the presence of trace amounts of lead and water within the feldspar lattice.
Uses & applications
Used primarily in jewelry as beads (like in the image), cabochons, and carvings. It is also a popular specimen for mineral collectors.
Geological facts
Despite its name, amazonite is not actually found in the Amazon River; it was named after the region, but original discoveries likely confused it with other green stones. It is often called 'the Hope Stone' in metaphysical circles.
Field identification & locations
Identify by its unique blue-green color and 'schiller' or white streaks/mottling within the gem. It is commonly found in the Ilmensky Mountains (Russia), Colorado and Virginia (USA), 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
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Granite
Granite (Phaneritic intrusive igneous rock)
igneous