Riebeckite and Dolomite Physical Properties

Riebeckite

Dolomite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Poorly soluble in dilute HCl

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.442.80-2.95

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

Perfect on {10 1 1}, rhombohedral cleavage

1.7 Mohs Hardness

5.0-6.03.5-4

2 10

1.8 Chemical Composition

Not Available

CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Riebeckite and Dolomite Chemical Formula

While comparing Riebeckite and Dolomite 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 Dolomite chemical formula.

Chemical formula of Dolomite- CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Riebeckite and Dolomite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Riebeckite and Dolomite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Dolomite Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 2.80-2.95 whereas that of Dolomite is 2.80-2.95.