Hardystonite and Quartz Physical Properties

Hardystonite

Quartz

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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

3.396-3.4432.65

1 7.18

1.5 Fracture

Brittle, Metallic

Conchoidal, Conchoidal, Brittle, Gems

1.6 Cleavage

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

{0110} Indistinct

1.7 Mohs Hardness

3-47

2 10

1.8 Chemical Composition

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

SiO₂

Hardystonite and Quartz Chemical Formula

While comparing Hardystonite and Quartz 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 Quartz chemical formula.

Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Quartz- SiO₂

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Hardystonite and Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hardystonite and Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hardystonite and Quartz Optical Properties during the identification of gemstone. Specific gravity of Hardystonite is 2.65 whereas that of Quartz is 2.65.