Allanite and Mottramite Physical Properties

Allanite

Mottramite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.40-4.205.9

1 7.18

1.5 Fracture

Not Available

Sub-Conchoidal, Brittle, Metallic

1.6 Cleavage

Not Available

None observed

1.7 Mohs Hardness

Not Available3

2 10

1.8 Chemical Composition

Not Available

Allanite and Mottramite Chemical Formula

While comparing Allanite and Mottramite 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 Mottramite chemical formula.

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Allanite and Mottramite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Allanite and Mottramite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Allanite and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Allanite is 5.9 whereas that of Mottramite is 5.9.