Realgar and Rhodochrosite Physical Properties

Realgar

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

3.563.0-3.3

1 7.18

1.5 Fracture

(e.g. graphite).

Uneven, Conchoidal, Conchoidal to uneven, Brittle

1.6 Cleavage

{010} Good

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

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

MnCO₃

Realgar and Rhodochrosite Chemical Formula

While comparing Realgar 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 Realgar and Rhodochrosite chemical formula.

Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Rhodochrosite- MnCO₃

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Realgar and Rhodochrosite Specific Gravity

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