Calcite and Aegirine Physical Properties

Calcite

Aegirine

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.67-2.733.50-3.60

1 7.18

1.4 Fracture

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

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

1.5 Cleavage

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

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

1.6 Mohs Hardness

2 10

1.9 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

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

Calcite and Aegirine Chemical Formula

While comparing Calcite and Aegirine 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 Calcite and Aegirine chemical formula.

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

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Calcite and Aegirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Calcite and Aegirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Calcite and Aegirine Optical Properties during the identification of gemstone. Specific gravity of Calcite is 3.50-3.60 whereas that of Aegirine is 3.50-3.60.