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Labradorite
Labradorite

Neptunite
Neptunite



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Labradorite
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Neptunite

Labradorite and Neptunite 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
 
Brittle
-
-
3.19-3.23
Conchoidal
{110} good
5-6
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)

Labradorite and Neptunite Chemical Formula

While comparing Labradorite and Neptunite 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 Neptunite chemical formula.

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Labradorite and Neptunite Specific Gravity

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