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Tourmaline
Tourmaline

Riebeckite
Riebeckite



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Tourmaline
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Riebeckite

Tourmaline and Riebeckite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.85-3.35
Uneven, Conchoidal
Indistinct
7-7.5
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
 
Brittle
-
-
3.28-3.44
Uneven, Splintery
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
5.0-6.0
Na2Fe2+3Fe3+2Si8O22(OH)2

Tourmaline and Riebeckite Chemical Formula

While comparing Tourmaline and Riebeckite 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 Tourmaline and Riebeckite chemical formula.

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Tourmaline and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline Vs Riebeckite during the identification of gemstone. Specific gravity of Tourmaline is whereas that of Riebeckite is .