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Riebeckite
Riebeckite

Magnesite
Magnesite



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Riebeckite
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Riebeckite and Magnesite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Effervesces in hot HCl
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.28-3.44
2.92-3.12
1.5 Fracture
Uneven, Splintery, Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
[10 1 1] perfect
1.7 Mohs Hardness
5.0-6.0
3.5-4.5
1.8 Chemical Composition
Not Available
MgCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Riebeckite and Magnesite Chemical Formula

While comparing Riebeckite and Magnesite 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 Magnesite chemical formula.

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  • Chemical formula of Magnesite- MgCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Riebeckite and Magnesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Riebeckite and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.