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Tortoiseshell
Tortoiseshell

Neptunite
Neptunite



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Tortoiseshell
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Neptunite

Tortoiseshell and Neptunite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.25-1.353.19-3.23
Amber
1 7.18
1.5 Fracture
Not Available
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
1.6 Cleavage
Not Available
{110} good
1.7 Mohs Hardness
Not Available5-6
Amber
2 10
1.8 Chemical Composition
Not Available
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)

Tortoiseshell and Neptunite Chemical Formula

While comparing Tortoiseshell 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 Tortoiseshell and Neptunite chemical formula.

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  • Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)

Tortoiseshell and Neptunite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tortoiseshell and Neptunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tortoiseshell and Neptunite Optical Properties during the identification of gemstone. Specific gravity of Tortoiseshell is 3.19-3.23 whereas that of Neptunite is 3.19-3.23.