Pleonaste and Rhodochrosite Physical Properties

Pleonaste

Rhodochrosite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.803.0-3.3

1 7.18

1.5 Fracture

Not Available

Uneven, Conchoidal, Conchoidal to uneven, Brittle

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

83.5-4

2 10

1.8 Chemical Composition

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

MnCO₃

Pleonaste and Rhodochrosite Chemical Formula

While comparing Pleonaste 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 Pleonaste and Rhodochrosite chemical formula.

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

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Pleonaste and Rhodochrosite Specific Gravity

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