Emerald and Augite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Hard
Not Available
Specific Gravity
2.67-2.78
3.19-3.56
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
Imperfect on the [0001]
{110} Perfect, {010} Indistinct
Mohs Hardness
7.5-8
5.5-6
Chemical Composition
Be3Al2SiO6
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Emerald and Augite Chemical Formula
While comparing Emerald and Augite 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 Emerald and Augite chemical formula.
- Chemical formula of Emerald- Be3Al2SiO6
- Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Emerald and Augite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Emerald and Augite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Augite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.19-3.56 whereas that of Augite is 3.19-3.56.
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