Amazonite and Purpurite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.55-2.57
3.2-3.4
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
[100] [001] perfect
Mohs Hardness
6-6.5
4-4.5
Chemical Composition
KAlSi3O8
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Amazonite and Purpurite Chemical Formula
While comparing Amazonite and Purpurite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Amazonite and Purpurite chemical formula.
- Chemical formula of Amazonite- KAlSi3O8
- Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Amazonite and Purpurite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amazonite and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amazonite and Purpurite Optical Properties during the identification of gemstone. Specific gravity of Amazonite is 3.2-3.4 whereas that of Purpurite is 3.2-3.4.