Rosasite and Neptunite Physical Properties

Rosasite

Neptunite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.23.19-3.23

1 7.18

1.5 Fracture

Splintery

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

1.6 Cleavage

Perfect on {100} and {010}

{110} good

1.7 Mohs Hardness

45-6

2 10

1.8 Chemical Composition

Not Available

KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

Rosasite and Neptunite Chemical Formula

While comparing Rosasite 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 Rosasite and Neptunite chemical formula.

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

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Rosasite and Neptunite Specific Gravity

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