Rhodochrosite and Gahnospinel Physical Properties

Rhodochrosite

Gahnospinel

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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

3.65-4.55

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

None, but may exhibit slight parting

1.7 Mohs Hardness

3.5-4

7.5-8

1.8 Chemical Composition

MnCO₃

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Rhodochrosite and Gahnospinel Chemical Formula

While comparing Rhodochrosite and Gahnospinel 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 Gahnospinel chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Rhodochrosite and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.