Rhodochrosite and Apophyllite Physical Properties

Rhodochrosite

Apophyllite

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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

2.30-2.50

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Perfect on (001)

1.7 Mohs Hardness

3.5-4

4.5-5

1.8 Chemical Composition

MnCO₃

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Rhodochrosite and Apophyllite Chemical Formula

While comparing Rhodochrosite and Apophyllite 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 Apophyllite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Rhodochrosite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.