Hardystonite and Gahnite Physical Properties

Hardystonite

Gahnite

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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

3.396-3.4434.00-4.62

1 7.18

1.5 Fracture

Brittle, Metallic

Conchoidal, Uneven

1.6 Cleavage

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

Indistinct parting on [111]

1.7 Mohs Hardness

3-47.5-8

2 10

1.8 Chemical Composition

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

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Hardystonite and Gahnite Chemical Formula

While comparing Hardystonite and Gahnite 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 Gahnite chemical formula.

Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare White Gemstones

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Hardystonite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hardystonite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hardystonite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Hardystonite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.