Anthophyllite and Sapphire Physical Properties

Anthophyllite

Sapphire

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.5

3.95-4.03

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

None, but may exhibit parting

1.7 Mohs Hardness

5.5-6

1.8 Chemical Composition

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

Al ₂ O ₃

Anthophyllite and Sapphire Chemical Formula

While comparing Anthophyllite and Sapphire 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 Sapphire chemical formula.

Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Sapphire- Al ₂ O ₃

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Anthophyllite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.