Allanite and Jet Physical Properties

Allanite

Jet

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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

3.40-4.201.19-1.35

1 7.18

1.5 Fracture

Not Available

ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

Not Available

1.7 Mohs Hardness

Not Available2.5-4

2 10

1.8 Chemical Composition

Not Available

Allanite and Jet Chemical Formula

While comparing Allanite and Jet 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 Allanite and Jet chemical formula.

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Allanite and Jet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Allanite and Jet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Allanite and Jet Optical Properties during the identification of gemstone. Specific gravity of Allanite is 1.19-1.35 whereas that of Jet is 1.19-1.35.