Hardystonite and Andradite Garnet Physical Properties

Hardystonite

Andradite Garnet

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.396-3.4433.8-3.9

1 7.18

1.5 Fracture

Brittle, Metallic

Not Available

1.6 Cleavage

[001] good, [100] and [110] fair

None

1.7 Mohs Hardness

3-46.5-7.5

2 10

1.8 Chemical Composition

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Ca₃Fe³⁺₂Si₃O₁₂

Hardystonite and Andradite Garnet Chemical Formula

While comparing Hardystonite 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 Hardystonite and Andradite Garnet chemical formula.

Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Hardystonite and Andradite Garnet Specific Gravity

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