Clinozoisite and Proustite Physical Properties

Clinozoisite

Proustite

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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

3.21-3.385.51-5.64

1 7.18

1.5 Fracture

Irregular/uneven, Uneven

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Perfect on {001}

Distinct on {10 1 1}

1.7 Mohs Hardness

6-72.5

2 10

1.8 Chemical Composition

Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Clinozoisite and Proustite Chemical Formula

While comparing Clinozoisite and Proustite 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 Clinozoisite and Proustite chemical formula.

Chemical formula of Clinozoisite- Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Clinozoisite and Proustite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Clinozoisite and Proustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Clinozoisite and Proustite Optical Properties during the identification of gemstone. Specific gravity of Clinozoisite is 5.51-5.64 whereas that of Proustite is 5.51-5.64.