Amazonite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
6.0 – 6.5
Specific Gravity
2.55 – 2.57
Refractive Index
1.522 – 1.53
Crystal System
Triclinic
Luster
Vitreous
Cleavage
Perfect
Fracture
Uneven,Conchoidal
Color
various
Birefringence
0.008
Pleochroism
Weak
Mohs Hardness
Mohs Hardness: 6.0 – 6.5
1 Soft10 Hard
Crystal System
Value & Market
Price Tier
Moderate ($50-500/ct)
Where to Buy Amazonite
Blue Nile
Fine jewelry retailer
James Allen
Gemstone jewelry
Brilliant Earth
Ethically sourced gems
Amazon
Wide selection
Links may earn a commission at no extra cost to you.
Treatments
6 to 6.5Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
2.55 to 2.57Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
BrittleWalter Schumann, Gemstones of the world (2001)
PerfectMichael O?Donoghue, Gems, Sixth Edition (2006)
Uneven,ConchoidalMichael O?Donoghue, Gems, Sixth Edition (2006)
1.522 to 1.530Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
Biaxial/-Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
0.008 to 0.010Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
WeakMichael O?Donoghue, Gems, Sixth Edition (2006)
WeakMichael O?Donoghue, Gems, Sixth Edition (2006)
Green, blue-greenUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references
Translucent,OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) Opaque with white grid-like pattern, rarely translucentMore from other references
VitreousWalter Schumann, Gemstones of the world (2001)
Weak; olive-greenWalter Schumann, Gemstones of the world (2001)
Possible yellow-greenHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
TriclinicHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
PrismaticWalter Schumann, Gemstones of the world (2001)
Amazonite information at mindat.org
Madagascar
Madagascar, extraLapis English No.1, 2001, p. 43
Myanmar
Ted Themelis (2008) Gems & mines of Mogok
Peru
About Amazonite
Amazonite is a vivid blue-green to turquoise variety of microcline feldspar, colored by trace amounts of lead and water within its crystal lattice. Despite its name suggesting an Amazonian origin, the finest gem-quality material has traditionally come from Colorado, Russia, and more recently Ethiopia and Madagascar. Its bold, opaque color and attractive grid-like white streaks, known as perthite, make it a popular cabochon and carving material.
Jewelry Use
Durability
5/10
Science FYI Family
Frequently Asked Questions
What is Amazonite?
Amazonite is a vivid blue-green to turquoise variety of microcline feldspar, colored by trace amounts of lead and water within its crystal lattice. Despite its name suggesting an Amazonian origin, the finest gem-quality material has traditionally come from Colorado, Russia, and more recently Ethiopi
What is the hardness of Amazonite?
Amazonite has a Mohs hardness of 6.0 to 6.5, making it moderate for use in jewelry.
What color is Amazonite?
Amazonite is primarily Various.
How much does Amazonite cost?
Amazonite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Amazonite?
Amazonite belongs to the Triclinic crystal system.