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Riebeckite
Riebeckite

Amazonite
Amazonite



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Riebeckite
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Amazonite

Riebeckite and Amazonite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.28-3.442.55-2.57
1 7.18
👆🏻

Fracture

Uneven, Splintery
Uneven

Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

Mohs Hardness

5.0-6.06-6.5
2 10
👆🏻

Chemical Composition

Na2Fe2+3Fe3+2Si8O22(OH)2
KAlSi3O8

Riebeckite and Amazonite Chemical Formula

While comparing Riebeckite and Amazonite 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 Amazonite chemical formula.

  • Chemical formula of Riebeckite- Na2Fe2+3Fe3+2Si8O22(OH)2
  • Chemical formula of Amazonite- KAlSi3O8

Riebeckite and Amazonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Riebeckite and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.