Hardystonite and Anorthite Physical Properties

Hardystonite

Anorthite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.396-3.4432.77

1 7.18

1.5 Fracture

Brittle, Metallic

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

Perfect [001] good [010] poor [110]

1.7 Mohs Hardness

3-46-6.5

2 10

1.8 Chemical Composition

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

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Hardystonite and Anorthite Chemical Formula

While comparing Hardystonite and Anorthite 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 Anorthite chemical formula.

Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare White Gemstones

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Hardystonite Vs Larimar

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Hardystonite and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hardystonite and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hardystonite and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Hardystonite is 2.77 whereas that of Anorthite is 2.77.