Rhodochrosite and Actinolite Physical Properties

Rhodochrosite

Actinolite

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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

3.00

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Uneven, UnevenArthur Thomas, Gemstones (2009), Splintery

1.6 Cleavage

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

perfect along {110}.

1.7 Mohs Hardness

3.5-4

5-6

1.8 Chemical Composition

MnCO₃

Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Rhodochrosite and Actinolite Chemical Formula

While comparing Rhodochrosite and Actinolite 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 Actinolite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Actinolite- Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

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Rhodochrosite and Actinolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Actinolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Actinolite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 3.00 whereas that of Actinolite is 3.00.