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Sellaite
Sellaite

Riebeckite
Riebeckite



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Sellaite
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Riebeckite

Sellaite and Riebeckite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.14-3.16
3.28-3.44
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Uneven, Splintery, Brittle
1.6 Cleavage
Perfect on {010} and {110}
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
1.7 Mohs Hardness
5-5.5
5.0-6.0
1.8 Chemical Composition
MgF 2Ulrich Henn and Claudio C.
Not Available

Sellaite and Riebeckite Chemical Formula

While comparing Sellaite 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 Sellaite and Riebeckite chemical formula.

  • Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.
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Sellaite and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sellaite and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sellaite and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Sellaite is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.