Serpentine and Astrophyllite Physical Properties

Serpentine

Astrophyllite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.44-2.623.2-3.4

1 7.18

1.5 Fracture

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

Uneven, Brittle, Metallic

1.6 Cleavage

Not Available

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

2.5-5.53

2 10

1.8 Chemical Composition

H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references

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

Serpentine and Astrophyllite Chemical Formula

While comparing Serpentine 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 Serpentine and Astrophyllite chemical formula.

Chemical formula of Serpentine- H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references
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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Serpentine and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Serpentine and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Serpentine and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Serpentine is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.