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Riebeckite and Astrophyllite Physical Properties


Astrophyllite and Riebeckite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.28-3.44   
3.2-3.4   

Fracture
Uneven, Splintery, Brittle   
Uneven, Brittle, Metallic   

Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}   
Perfect on [001] imperfect on [100]   

Mohs Hardness
5.0-6.0   
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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Riebeckite and Astrophyllite Chemical Formula

While comparing Riebeckite 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 Riebeckite and Astrophyllite chemical formula.

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Riebeckite and Astrophyllite Specific Gravity

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

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