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Riebeckite
Riebeckite

Serandite
Serandite



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Riebeckite
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Riebeckite and Serandite 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
3.52
1.5 Fracture
Uneven, Splintery, Brittle
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001)
1.6 Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
{100} Perfect, {001} Perfect
1.7 Mohs Hardness
5.0-6.0
5-5.5
1.8 Chemical Composition
Not Available
Na(Mn2+ ,Ca) 2Si 3O 8(OH)Michael O’Donoghue , Gems, Sixth Edition (2006)

Riebeckite and Serandite Chemical Formula

While comparing Riebeckite and Serandite 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 Serandite chemical formula.

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  • Chemical formula of Serandite- Na(Mn2+ ,Ca) 2Si 3O 8(OH)Michael O’Donoghue , Gems, Sixth Edition (2006)

Riebeckite and Serandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Riebeckite and Serandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Serandite Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 3.52 whereas that of Serandite is 3.52.