Hemimorphite and Rock Crystal Physical Properties

Hemimorphite

Rock Crystal

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

Soluble

3.30-3.50

Uneven, ConchoidalWalter Schumann, Conchoidal

Perfect on {110}, poor on {101}, {001} rare

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

2.65

ConchoidalWalter Schumann

None

SiO 2Walter Schumann , Gemstones of the world (2001)

Hemimorphite and Rock Crystal Chemical Formula

While comparing Hemimorphite and Rock Crystal 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 Hemimorphite and Rock Crystal chemical formula.

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Hemimorphite and Rock Crystal Specific Gravity

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