Xenotime and Astrophyllite Physical Properties

Xenotime

Astrophyllite

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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

3.2-3.4

1.5 Fracture

Not Available

Uneven, Brittle, Metallic

1.6 Cleavage

Not Available

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

4-5

1.8 Chemical Composition

YPO 4Ulrich Henn and Claudio C.

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Xenotime and Astrophyllite Chemical Formula

While comparing Xenotime and Astrophyllite 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 Astrophyllite chemical formula.

Chemical formula of Xenotime- YPO 4Ulrich Henn and Claudio C.
Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Compare Black Gemstones

Xenotime Vs Dinosaur Bone

Xenotime Vs Arfvedsonite

Xenotime Vs Almandine Garnet

Xenotime and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Xenotime and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Xenotime and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Xenotime is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.