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Tanzanite and Astrophyllite Physical Properties


Astrophyllite and Tanzanite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Hard   
Not Available   

Specific Gravity
3.35   
3.2-3.4   

Fracture
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)   
Uneven, Brittle, Metallic   

Cleavage
Perfect {010}, imperfect {100}   
Perfect on [001] imperfect on [100]   

Mohs Hardness
6.5-7   
3   

Chemical Composition
Ca2Al3(SiO4)3(OH)   
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Tanzanite and Astrophyllite Chemical Formula

While comparing Tanzanite and Astrophyllite 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 Tanzanite and Astrophyllite chemical formula.

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Tanzanite and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.

Semi Precious

Semi Precious


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