Sphalerite and Aegirine Physical Properties

Sphalerite

Aegirine

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.95-4.103.50-3.60

1 7.18

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Fracture

Uneven

Cleavage

{110} Perfect, {110} Perfect, {110} Perfect

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

Mohs Hardness

3.5-46

2 10

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Chemical Composition

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Sphalerite and Aegirine Chemical Formula

While comparing Sphalerite 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 Sphalerite and Aegirine chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Aegirine- (Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

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Sphalerite and Aegirine Specific Gravity

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