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Neptunite
Neptunite

Celestine
Celestine



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Neptunite
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Celestine

Neptunite and Celestine Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.19-3.233.90-4.00
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
{110} good
Perfect on {001}, good on {210}, poor on {010}
1.7 Mohs Hardness
5-63-3.5
Amber
2 10
1.8 Chemical Composition
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)
SrSO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Neptunite and Celestine Chemical Formula

While comparing Neptunite and Celestine 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 Celestine chemical formula.

  • Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Celestine- SrSO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Neptunite and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Neptunite and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Neptunite and Celestine Optical Properties during the identification of gemstone. Specific gravity of Neptunite is 3.90-4.00 whereas that of Celestine is 3.90-4.00.