Zincite and Rhodochrosite Physical Properties

Zincite

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

5.50-5.903.0-3.3

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, Conchoidal, Conchoidal to uneven, Brittle

1.6 Cleavage

On {10 1 0}, perfect; parting on {000 1 }

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

1.7 Mohs Hardness

43.5-4

2 10

1.8 Chemical Composition

(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

MnCO₃

Zincite and Rhodochrosite Chemical Formula

While comparing Zincite 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 Zincite and Rhodochrosite chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Rhodochrosite- MnCO₃

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Zincite and Rhodochrosite Specific Gravity

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