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Allanite
Allanite

Lepidolite
Lepidolite



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Allanite
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Lepidolite

Allanite and Lepidolite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.40-4.202.80-2.90
Amber
1 7.18
1.5 Fracture
Not Available
Uneven, UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
Not Available
{001} perfect
1.7 Mohs Hardness
Not Available2.5
Amber
2 10
1.8 Chemical Composition
Not Available
Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

Allanite and Lepidolite Chemical Formula

While comparing Allanite and Lepidolite 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 Lepidolite chemical formula.

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  • Chemical formula of Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

Allanite and Lepidolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Allanite and Lepidolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Allanite and Lepidolite Optical Properties during the identification of gemstone. Specific gravity of Allanite is 2.80-2.90 whereas that of Lepidolite is 2.80-2.90.