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Tortoiseshell and Astrophyllite Physical Properties


Astrophyllite and Tortoiseshell Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.25-1.35   
3.2-3.4   

Fracture
Not Available   
Uneven, Brittle, Metallic   

Cleavage
Not Available   
Perfect on [001] imperfect on [100]   

Mohs Hardness
Not Available   
3   

Chemical Composition
Not Available   
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Tortoiseshell and Astrophyllite Chemical Formula

While comparing Tortoiseshell 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 Tortoiseshell and Astrophyllite chemical formula.

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Tortoiseshell and Astrophyllite Specific Gravity

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

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