Clinozoisite and Powellite Physical Properties

Clinozoisite

Powellite

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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

3.21-3.384.23

1 7.18

1.5 Fracture

Irregular/uneven, Uneven

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Perfect on {001}

{111} Distinct

1.7 Mohs Hardness

6-73.5-4

2 10

1.8 Chemical Composition

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

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Clinozoisite and Powellite Chemical Formula

While comparing Clinozoisite and Powellite 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 Powellite 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 Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Clinozoisite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Clinozoisite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Clinozoisite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Clinozoisite is 4.23 whereas that of Powellite is 4.23.