Hardystonite and Fire Opal Physical Properties

Hardystonite

Fire Opal

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

3.396-3.443

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

3-4

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

1.97-2.22

Conchoidal

None

6-6.5

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

Hardystonite and Fire Opal Chemical Formula

While comparing Hardystonite and Fire Opal 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 Fire Opal chemical formula.

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Hardystonite and Fire Opal Specific Gravity

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