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Astrophyllite and Eilat stone Physical Properties


Eilat stone and Astrophyllite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.2-3.4   
Not Available   

Fracture
Uneven, Brittle, Metallic   
Not Available   

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

Mohs Hardness
3   
Not Available   

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

Optical Properties >>
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Astrophyllite and Eilat stone Chemical Formula

While comparing Astrophyllite and Eilat stone 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 Astrophyllite and Eilat stone chemical formula.

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Astrophyllite and Eilat stone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Astrophyllite and Eilat stone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Astrophyllite and Eilat stone Optical Properties during the identification of gemstone. Specific gravity of Astrophyllite is Not Available whereas that of Eilat stone is Not Available.

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