Anthophyllite and Shigaite Physical Properties

Anthophyllite

Shigaite

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1 Physical Properties

1.1 Tenacity

Not Available

Moderately ﬂexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.52.32

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Flexible Flexible fragments.

1.6 Cleavage

{110} Perfect, {???} Distinct, {???} Distinct

Perfect on {0001}

1.7 Mohs Hardness

5.5-62

2 10

1.8 Chemical Composition

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Not Available

Anthophyllite and Shigaite Chemical Formula

While comparing Anthophyllite and Shigaite 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 Anthophyllite and Shigaite chemical formula.

Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Anthophyllite and Shigaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Shigaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Shigaite Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 2.32 whereas that of Shigaite is 2.32.