Actinolite and Calcite Physical Properties

Actinolite

Calcite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.002.67-2.73

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Splintery

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

perfect along {110}.

Perfect on [10 1 1] three directions with angle of 74° 55

1.7 Mohs Hardness

5-63

2 10

1.8 Chemical Composition

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

CaCO 3Ulrich Henn and Claudio C.

Actinolite and Calcite Chemical Formula

While comparing Actinolite and Calcite 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 Actinolite and Calcite chemical formula.

Chemical formula of Actinolite- Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

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Actinolite and Calcite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Actinolite and Calcite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Actinolite and Calcite Optical Properties during the identification of gemstone. Specific gravity of Actinolite is 2.67-2.73 whereas that of Calcite is 2.67-2.73.