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Andesine
Andesine

Neptunite
Neptunite



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Andesine
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Neptunite

Andesine and Neptunite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.65-2.69
Uneven, Conchoidal
Perfect on {001}, good on {010}
6-6.5
(Na,Ca)Al1-2Si3-2O8
 
Brittle
-
-
3.19-3.23
Conchoidal
{110} good
5-6
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)

Andesine and Neptunite Chemical Formula

While comparing Andesine 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 Andesine and Neptunite chemical formula.

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Andesine and Neptunite Specific Gravity

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