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Astrophyllite
Astrophyllite

Rosasite
Rosasite



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Astrophyllite
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Rosasite

Astrophyllite and Rosasite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Effervesces in cold
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.2-3.4
4-4.2
1.5 Fracture
Uneven, Brittle, Metallic
Splintery
1.6 Cleavage
Perfect on [001] imperfect on [100]
Perfect on {100} and {010}
1.7 Mohs Hardness
3
4
1.8 Chemical Composition
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Not Available

Astrophyllite and Rosasite Chemical Formula

While comparing Astrophyllite and Rosasite 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 Rosasite chemical formula.

  • Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
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Astrophyllite and Rosasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Astrophyllite and Rosasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Astrophyllite and Rosasite Optical Properties during the identification of gemstone. Specific gravity of Astrophyllite is 4-4.2 whereas that of Rosasite is 4-4.2.