Aegirine and Calcite Physical Properties

Aegirine

Calcite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.50-3.602.67-2.73

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

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

1.6 Cleavage

Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}

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

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

CaCO 3Ulrich Henn and Claudio C.

Aegirine and Calcite Chemical Formula

While comparing Aegirine 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 Aegirine and Calcite chemical formula.

Chemical formula of Aegirine- (Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

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Aegirine and Calcite Specific Gravity

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