Rhodochrosite and Mellite Physical Properties

Rhodochrosite

Mellite

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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

1.58-1.60

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

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

{011} Imperfect

1.7 Mohs Hardness

3.5-4

1.8 Chemical Composition

MnCO₃

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Rhodochrosite and Mellite Chemical Formula

While comparing Rhodochrosite and Mellite 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 Mellite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

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Rhodochrosite and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Mellite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 1.58-1.60 whereas that of Mellite is 1.58-1.60.