Rhodochrosite and Powellite Physical Properties

Rhodochrosite

Powellite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.0-3.3

4.23

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

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

1.6 Cleavage

On {10 1 1} perfect; parting on {10 1 2}

{111} Distinct

1.7 Mohs Hardness

3.5-4

1.8 Chemical Composition

MnCO₃

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

Rhodochrosite and Powellite Chemical Formula

While comparing Rhodochrosite 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 Rhodochrosite and Powellite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Rhodochrosite and Powellite Specific Gravity

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