Allanite and Aegirine Physical Properties

Allanite

Aegirine

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.40-4.203.50-3.60

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

Not Available6

2 10

1.8 Chemical Composition

Not Available

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

Allanite and Aegirine Chemical Formula

While comparing Allanite 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 Allanite and Aegirine chemical formula.

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

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Allanite and Aegirine Specific Gravity

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