Poldervaartite and Rhodochrosite Physical Properties

Poldervaartite

Rhodochrosite

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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

2.913.0-3.3

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

Uneven, Conchoidal, Conchoidal to uneven, Brittle

1.6 Cleavage

None

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

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

MnCO₃

Poldervaartite and Rhodochrosite Chemical Formula

While comparing Poldervaartite 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 Poldervaartite and Rhodochrosite chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Rhodochrosite- MnCO₃

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Poldervaartite and Rhodochrosite Specific Gravity

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