Foitite and Aegirine Physical Properties

Foitite

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

3.17

3.50-3.60

1.5 Fracture

Handbook of mineralogy (2001)

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

1.8 Chemical Composition

Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

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

Foitite and Aegirine Chemical Formula

While comparing Foitite 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 Foitite and Aegirine chemical formula.

Chemical formula of Foitite- Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Aegirine- (Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

Compare Violet Gemstones

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Foitite Vs Hydrogrossular

Foitite Vs Labradorite

Foitite and Aegirine Specific Gravity

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