Rhodochrosite and Violane Physical Properties

Rhodochrosite

Violane

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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

3.0-3.3

3.22-3.40

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

3.5-4

5-6

1.8 Chemical Composition

MnCO₃

(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

Rhodochrosite and Violane Chemical Formula

While comparing Rhodochrosite and Violane 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 Violane chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

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Rhodochrosite and Violane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Violane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Violane Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 3.22-3.40 whereas that of Violane is 3.22-3.40.