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Neptunite
Neptunite

Diaspore
Diaspore



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Neptunite
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Diaspore

Neptunite and Diaspore Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Very brittle
1.2 Solubility
Not Available
insoluble
1.3 Durability
Not Available
Not Available
1.6 Specific Gravity
3.19-3.233.30-3.40
Amber
1 7.18
1.9 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Conchoidal, Brittle, Conchoidal
1.10 Cleavage
{110} good
{010} perfect, {110} distinct, {100} in traces
1.11 Mohs Hardness
5-66.5-7
Amber
2 10
1.12 Chemical Composition
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Neptunite and Diaspore Chemical Formula

While comparing Neptunite and Diaspore 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 Diaspore chemical formula.

  • Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Neptunite and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Neptunite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Neptunite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Neptunite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.