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Microlite and Astrophyllite Physical Properties


Astrophyllite and Microlite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.5   
3.2-3.4   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   
Uneven, Brittle, Metallic   

Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct   
Perfect on [001] imperfect on [100]   

Mohs Hardness
5-5.5   
3   

Chemical Composition
(Ca,Na) 2Ta 2O 6(O,OH,F)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Microlite and Astrophyllite Chemical Formula

While comparing Microlite 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 Microlite and Astrophyllite chemical formula.

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Microlite and Astrophyllite Specific Gravity

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

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