Catapleiite and Neptunite Physical Properties

Catapleiite

Neptunite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.3 Solubility

Not Available

1.5 Durability

Not Available

1.7 Specific Gravity

2.723.19-3.23

1 7.18

1.8 Fracture

Brittle, Metallic, Brittle, Metallic

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

1.10 Cleavage

{110} Perfect, {010} Perfect

{110} good

1.13 Mohs Hardness

5-65-6

2 10

1.15 Chemical Composition

Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Catapleiite and Neptunite Chemical Formula

While comparing Catapleiite 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 Catapleiite and Neptunite chemical formula.

Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

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Catapleiite and Neptunite Specific Gravity

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