Neptunite and Xenotime Physical Properties

Neptunite

Xenotime

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.19-3.234.30-5.10

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{110} good

Not Available

1.7 Mohs Hardness

5-64-5

2 10

1.8 Chemical Composition

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

YPO 4Ulrich Henn and Claudio C.

Neptunite and Xenotime Chemical Formula

While comparing Neptunite and Xenotime 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 Xenotime chemical formula.

Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Xenotime- YPO 4Ulrich Henn and Claudio C.

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Neptunite and Xenotime Specific Gravity

Another important criteria for qualitative analysis of gemstones is Neptunite and Xenotime Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Neptunite and Xenotime Optical Properties during the identification of gemstone. Specific gravity of Neptunite is 4.30-5.10 whereas that of Xenotime is 4.30-5.10.