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Riebeckite
Riebeckite

Lepidolite
Lepidolite



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Riebeckite
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Lepidolite

Riebeckite and Lepidolite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.28-3.442.80-2.90
1 7.18
👆🏻

Fracture

Uneven, Splintery
Uneven

Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
{001} perfect

Mohs Hardness

5.0-6.02.5
2 10
👆🏻

Chemical Composition

Na2Fe2+3Fe3+2Si8O22(OH)2
Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

Riebeckite and Lepidolite Chemical Formula

While comparing Riebeckite 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 Riebeckite and Lepidolite chemical formula.

  • Chemical formula of Riebeckite- Na2Fe2+3Fe3+2Si8O22(OH)2
  • Chemical formula of Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

Riebeckite and Lepidolite Specific Gravity

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