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Erythrite
Erythrite

Astrophyllite
Astrophyllite



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Erythrite
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Astrophyllite

Erythrite and Astrophyllite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Sectile
-
-
3.06
Sectile
Perfect on {010}; poor on {100} and { 1 02}.
-9999
Co3(AsO4)2•8(H2O)
 
-
-
-
3.2-3.4
Uneven
Perfect on [001] imperfect on [100]
3
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Erythrite and Astrophyllite Chemical Formula

While comparing Erythrite 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 Erythrite and Astrophyllite chemical formula.

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Erythrite and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite Vs Astrophyllite during the identification of gemstone. Specific gravity of Erythrite is whereas that of Astrophyllite is .