Xenotime and Topaz Physical Properties

Xenotime

Topaz

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.30-5.10

3.49-3.57

1.5 Fracture

Not Available

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

[001] Perfect

1.7 Mohs Hardness

4-5

1.8 Chemical Composition

YPO 4Ulrich Henn and Claudio C.

Al₂SiO₄(F,OH)₂

Xenotime and Topaz Chemical Formula

While comparing Xenotime and Topaz 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 Xenotime and Topaz chemical formula.

Chemical formula of Xenotime- YPO 4Ulrich Henn and Claudio C.
Chemical formula of Topaz- Al₂SiO₄(F,OH)₂

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Xenotime and Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Xenotime and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Xenotime and Topaz Optical Properties during the identification of gemstone. Specific gravity of Xenotime is 3.49-3.57 whereas that of Topaz is 3.49-3.57.