Astrophyllite and Quartz Smoky Physical Properties

Astrophyllite

Quartz Smoky

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1 Physical Properties

1.1 Tenacity

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1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.2-3.4

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1.5 Fracture

Uneven, Brittle, Metallic

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1.6 Cleavage

Perfect on [001] imperfect on [100]

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1.7 Mohs Hardness

1.8 Chemical Composition

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

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Astrophyllite and Quartz Smoky Chemical Formula

While comparing Astrophyllite and Quartz Smoky 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 Quartz Smoky 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 Quartz Smoky Specific Gravity

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