Norbergite and Powellite Physical Properties

Norbergite

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

3.177

4.23

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

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

1.6 Cleavage

{???} Distinct

{111} Distinct

1.7 Mohs Hardness

6-6.5

3.5-4

1.8 Chemical Composition

Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)

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

Norbergite and Powellite Chemical Formula

While comparing Norbergite 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 Norbergite and Powellite chemical formula.

Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Norbergite and Powellite Specific Gravity

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