Rhodochrosite and Poldervaartite Physical Properties

Rhodochrosite

Poldervaartite

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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

3.0-3.32.91

1 7.18

2.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Handbook of mineralogy (2001)

2.6 Cleavage

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

None

2.7 Mohs Hardness

3.5-4Not Available

2 10

2.11 Chemical Composition

MnCO₃

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

Rhodochrosite and Poldervaartite Chemical Formula

While comparing Rhodochrosite and Poldervaartite 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 Poldervaartite chemical formula.

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

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Rhodochrosite and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 2.91 whereas that of Poldervaartite is 2.91.