Anthophyllite and Star Ruby Physical Properties

Anthophyllite

Star Ruby

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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

2.9-3.53.95-4.10

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

Not Available

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)

Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Anthophyllite and Star Ruby Chemical Formula

While comparing Anthophyllite and Star Ruby 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 Star Ruby 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 Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Anthophyllite and Star Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.