Peridot and Anthophyllite Physical Properties

Peridot

Anthophyllite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

1.54-1.552.9-3.5

1 7.18

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Fracture

Conchoidal

Cleavage

Poor

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

Mohs Hardness

6.5-75.5-6

2 10

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Chemical Composition

(Mg,Fe)₂SiO₄

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

Peridot and Anthophyllite Chemical Formula

While comparing Peridot and Anthophyllite 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 Peridot and Anthophyllite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Peridot and Anthophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Anthophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Anthophyllite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 2.9-3.5 whereas that of Anthophyllite is 2.9-3.5.