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Labradorite
Labradorite

Gahnite
Gahnite



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Labradorite
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Gahnite

Labradorite and Gahnite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.69-2.72
Uneven, Conchoidal
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
6-6.5
(Na,Ca)1-2Si3-2O8
 
-
-
-
4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Labradorite and Gahnite Chemical Formula

While comparing Labradorite and Gahnite 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 Labradorite and Gahnite chemical formula.

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Labradorite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite Vs Gahnite during the identification of gemstone. Specific gravity of Labradorite is whereas that of Gahnite is .