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Neptunite
Neptunite

Andradite Garnet
Andradite Garnet



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Neptunite
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Andradite Garnet

Neptunite and Andradite Garnet Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.19-3.233.8-3.9
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Not Available
1.6 Cleavage
{110} good
None
1.7 Mohs Hardness
5-66.5-7.5
Amber
2 10
1.8 Chemical Composition
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)
Ca3Fe3+2Si3O12

Neptunite and Andradite Garnet Chemical Formula

While comparing Neptunite and Andradite Garnet 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 Neptunite and Andradite Garnet chemical formula.

  • Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Andradite Garnet- Ca3Fe3+2Si3O12

Neptunite and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Neptunite and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Neptunite and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Neptunite is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.