Astrophyllite and Enstatite Physical Properties

Astrophyllite

Enstatite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.2-3.4

3.20-3.25

1.5 Fracture

Uneven, Brittle, Metallic

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

1.6 Cleavage

Perfect on [001] imperfect on [100]

Good/distinct on [210]

1.7 Mohs Hardness

5.5

1.8 Chemical Composition

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

Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Astrophyllite and Enstatite Chemical Formula

While comparing Astrophyllite and Enstatite 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 Enstatite 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 Enstatite- Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Astrophyllite and Enstatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Astrophyllite and Enstatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Astrophyllite and Enstatite Optical Properties during the identification of gemstone. Specific gravity of Astrophyllite is 3.20-3.25 whereas that of Enstatite is 3.20-3.25.