Powellite and Chrome-Chalcedony Physical Properties

Powellite

Chrome-Chalcedony

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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

4.232.55-2.70

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{111} Distinct

Not Available

1.7 Mohs Hardness

3.5-46.5-7

2 10

1.8 Chemical Composition

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

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Powellite and Chrome-Chalcedony Chemical Formula

While comparing Powellite and Chrome-Chalcedony 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 Chrome-Chalcedony chemical formula.

Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Powellite and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Powellite and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Powellite and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Powellite is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.