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Riebeckite
Riebeckite

Tourmaline
Tourmaline



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Riebeckite
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Tourmaline

Riebeckite and Tourmaline Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.28-3.44
2.85-3.35
1.5 Fracture
Uneven, Splintery, Brittle
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Indistinct
1.7 Mohs Hardness
5.0-6.0
7-7.5
1.8 Chemical Composition
Not Available
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Riebeckite and Tourmaline Chemical Formula

While comparing Riebeckite and Tourmaline 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 Tourmaline chemical formula.

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  • Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Riebeckite and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Riebeckite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.