Anthophyllite and Andradite Garnet Physical Properties

Anthophyllite

Andradite Garnet

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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

2.9-3.5

3.8-3.9

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Not Available

1.6 Cleavage

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

None

1.7 Mohs Hardness

5.5-6

6.5-7.5

1.8 Chemical Composition

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

Ca₃Fe³⁺₂Si₃O₁₂

Anthophyllite and Andradite Garnet Chemical Formula

While comparing Anthophyllite and Andradite Garnet 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 Andradite Garnet 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 Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Anthophyllite and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.