Aegirine and Demantoid Physical Properties

Aegirine

Demantoid

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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

3.50-3.603.77-3.95

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

66.5

2 10

1.8 Chemical Composition

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

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Aegirine and Demantoid Chemical Formula

While comparing Aegirine and Demantoid 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 Demantoid chemical formula.

Chemical formula of Aegirine- (Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

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Aegirine and Demantoid Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aegirine and Demantoid Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aegirine and Demantoid Optical Properties during the identification of gemstone. Specific gravity of Aegirine is 3.77-3.95 whereas that of Demantoid is 3.77-3.95.