Poudretteite and Rhodochrosite Physical Properties

Poudretteite

Rhodochrosite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.51-2.533.0-3.3

1 7.18

1.5 Fracture

Conchoidal, Splintery

Uneven, Conchoidal, Conchoidal to uneven, Brittle

1.6 Cleavage

None

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

1.7 Mohs Hardness

53.5-4

2 10

1.8 Chemical Composition

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

MnCO₃

Poudretteite and Rhodochrosite Chemical Formula

While comparing Poudretteite and Rhodochrosite 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 Poudretteite and Rhodochrosite chemical formula.

Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Rhodochrosite- MnCO₃

Compare Violet Gemstones

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Poudretteite Vs Rubellite

Poudretteite Vs Rutilated Quartz

Poudretteite and Rhodochrosite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Rhodochrosite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Rhodochrosite Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 3.0-3.3 whereas that of Rhodochrosite is 3.0-3.3.