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Rubellite Tourmaline and Astrophyllite Physical Properties


Astrophyllite and Rubellite Tourmaline Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
Not Available   
3.2-3.4   

Fracture
Not Available   
Uneven, Brittle, Metallic   

Cleavage
None   
Perfect on [001] imperfect on [100]   

Mohs Hardness
2.5-3   
3   

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

Optical Properties >>
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Rubellite Tourmaline and Astrophyllite Chemical Formula

While comparing Rubellite Tourmaline 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 Rubellite Tourmaline and Astrophyllite chemical formula.

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Rubellite Tourmaline and Astrophyllite Specific Gravity

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

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