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Almandine
Almandine

Lepidolite
Lepidolite



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Almandine
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Lepidolite

Almandine 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
3.95-4.302.80-2.90
Amber
1 7.18
1.5 Fracture
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
none
{001} perfect
1.7 Mohs Hardness
7-7.52.5
Amber
2 10
1.8 Chemical Composition
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

Almandine and Lepidolite Chemical Formula

While comparing Almandine 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 Almandine and Lepidolite chemical formula.

  • Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  • Chemical formula of Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

Almandine and Lepidolite Specific Gravity

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