Violane and Powellite Physical Properties

Violane

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

3.22-3.404.23

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Not Available

{111} Distinct

1.7 Mohs Hardness

5-63.5-4

2 10

1.8 Chemical Composition

(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

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

Violane and Powellite Chemical Formula

While comparing Violane 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 Violane and Powellite chemical formula.

Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Violane and Powellite Specific Gravity

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