Rhodochrosite and Variscite Physical Properties

Rhodochrosite

Variscite

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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

2.42-2.58

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle

1.6 Cleavage

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

[010] perfect

1.7 Mohs Hardness

3.5-4

4-5

1.8 Chemical Composition

MnCO₃

AlPO₄ · 2(H₂O)

Rhodochrosite and Variscite Chemical Formula

While comparing Rhodochrosite and Variscite 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 Variscite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Variscite- AlPO₄ · 2(H₂O)

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Rhodochrosite and Variscite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Variscite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Variscite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 2.42-2.58 whereas that of Variscite is 2.42-2.58.