Astrophyllite and Diamond Physical Properties

Astrophyllite

Diamond

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.2-3.4

3.50-3.53

1.5 Fracture

Uneven, Brittle, Metallic

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

Perfect on [001] imperfect on [100]

111 (perfect in four directions)

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)

Astrophyllite and Diamond Chemical Formula

While comparing Astrophyllite and Diamond 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 Diamond chemical formula.

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

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Astrophyllite and Diamond Specific Gravity

Another important criteria for qualitative analysis of gemstones is Astrophyllite and Diamond Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Astrophyllite and Diamond Optical Properties during the identification of gemstone. Specific gravity of Astrophyllite is 3.50-3.53 whereas that of Diamond is 3.50-3.53.