Anthophyllite and Realgar Physical Properties

Anthophyllite

Realgar

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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

2.9-3.53.56

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

(e.g. graphite).

1.6 Cleavage

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

{010} Good

1.7 Mohs Hardness

5.5-6Not Available

2 10

1.8 Chemical Composition

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

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

Anthophyllite and Realgar Chemical Formula

While comparing Anthophyllite and Realgar 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 Realgar 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 Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

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Anthophyllite and Realgar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Realgar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Realgar Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 3.56 whereas that of Realgar is 3.56.