Powellite and Nephrite Physical Properties

Powellite

Nephrite

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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

4.232.90-3.10

1 7.18

1.5 Fracture

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

Splintery, Granular, Splintery, Granular, Gemstones (2009)

1.6 Cleavage

{111} Distinct

Not Available

1.7 Mohs Hardness

3.5-46-6.5

2 10

1.8 Chemical Composition

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

Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Powellite and Nephrite Chemical Formula

While comparing Powellite and Nephrite 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 Powellite and Nephrite chemical formula.

Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Nephrite- Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Compare Blue Gemstones

Powellite Vs Rubellite

Powellite Vs Sanidine

Powellite Vs Rock Crystal

Powellite and Nephrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Powellite and Nephrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Powellite and Nephrite Optical Properties during the identification of gemstone. Specific gravity of Powellite is 2.90-3.10 whereas that of Nephrite is 2.90-3.10.