Tigers Eye and Powellite Physical Properties

Tigers Eye

Powellite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.64

4.23

1.5 Fracture

Gems, Sixth Edition (2006)

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

1.6 Cleavage

Indiscernible

{111} Distinct

1.7 Mohs Hardness

6.5-7

3.5-4

1.8 Chemical Composition

SiO₂

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

Tigers Eye and Powellite Chemical Formula

While comparing Tigers Eye 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 Tigers Eye and Powellite chemical formula.

Chemical formula of Tigers Eye- SiO₂
Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Tigers Eye and Powellite Specific Gravity

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