Rhodochrosite and Zincite Physical Properties

Rhodochrosite

Zincite

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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

3.0-3.35.50-5.90

1 7.18

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

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

1.7 Mohs Hardness

3.5-44

2 10

1.8 Chemical Composition

MnCO₃

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

Rhodochrosite and Zincite Chemical Formula

While comparing Rhodochrosite and Zincite 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 Zincite chemical formula.

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

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Rhodochrosite and Zincite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Zincite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Zincite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 5.50-5.90 whereas that of Zincite is 5.50-5.90.