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Alexandrite
Alexandrite

Augite
Augite



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Alexandrite
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Augite

Alexandrite and Augite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.69-3.813.19-3.56
Amber
1 7.18
1.5 Fracture
Not Available
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
1.6 Cleavage
1,1 ; 3,2.
{110} Perfect, {010} Indistinct
1.7 Mohs Hardness
8.55.5-6
Amber
2 10
1.8 Chemical Composition
BeAl 2 O 4
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

Alexandrite and Augite Chemical Formula

While comparing Alexandrite 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 Alexandrite and Augite chemical formula.

  • Chemical formula of Alexandrite- BeAl 2 O 4
  • Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

Alexandrite and Augite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Augite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Augite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 3.19-3.56 whereas that of Augite is 3.19-3.56.