Powellite and Charlesite Physical Properties

Powellite

Charlesite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.231.79

1 7.18

1.5 Fracture

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

Irregular/uneven, Brittle, Metallic

1.6 Cleavage

{111} Distinct

Perfect on {10bar10}

1.7 Mohs Hardness

3.5-42.5

2 10

2.5 Chemical Composition

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

Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Powellite and Charlesite Chemical Formula

While comparing Powellite and Charlesite 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 Charlesite chemical formula.

Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Compare Blue Gemstones

Powellite Vs Sanidine

Powellite Vs Rubellite

Powellite Vs Rock Crystal

Powellite and Charlesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Powellite and Charlesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Powellite and Charlesite Optical Properties during the identification of gemstone. Specific gravity of Powellite is 1.79 whereas that of Charlesite is 1.79.