Zinnwaldite and Powellite Physical Properties

Zinnwaldite

Powellite

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1 Physical Properties

1.1 Tenacity

Elastic

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.14.23

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

Perfect basal {001}

{111} Distinct

1.7 Mohs Hardness

3.5-4.03.5-4

2 10

1.8 Chemical Composition

Not Available

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

Zinnwaldite and Powellite Chemical Formula

While comparing Zinnwaldite 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 Zinnwaldite and Powellite chemical formula.

Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Zinnwaldite and Powellite Specific Gravity

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