Amazonite Value, Price, and Jewelry Information

Some amazonite cut from Minas Gerais, Brazil. Gem cutting by Afonso Marques. Photo By Eurico Zimbres Zimbres (talk) 17:34, 14 September 2008 (UTC) (Own work) [CC-BY-SA-3.0], via Wikimedia Commons

Amazonite

Amazonite is a variety of microcline, which is itself a variety of feldspar.

Amazonite Information

Data Value
Name Amazonite
Is a Variety of Microcline
Colors green, blue-green
Crystallography Triclinic.
Refractive Index 1.522-1.530
Luster Vitreous.
Hardness 6-6.5
Fracture Uneven to conchoidal
Specific Gravity 2.54-2.63
Birefringence 0.008
Cleavage Perfect
Luminescence Weak olive green, possibly medium to faint red SW, yellow-green LW
Luminescence Present Yes
Luminescence Type Fluorescent, UV-Long, UV-Short
Typical Treatments Infusion/Impregnation
Transparency Translucent to opaque.
Optics

Biaxial (-)

Optic Sign Biaxial -

Comments

Amazonite is a variety of microcline which is a variety of feldspar.

Sources

Brazil; India; United States.

Name

Amazonite is named after the Amazon River basin in South America.