Dolomite and Peridot Physical Properties

Dolomite

Peridot

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Poorly soluble in dilute HCl

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.80-2.951.54-1.55

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

Perfect on {10 1 1}, rhombohedral cleavage

Poor

1.7 Mohs Hardness

3.5-46.5-7

2 10

1.8 Chemical Composition

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

(Mg,Fe)₂SiO₄

Dolomite and Peridot Chemical Formula

While comparing Dolomite and Peridot 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 Dolomite and Peridot chemical formula.

Chemical formula of Dolomite- CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Peridot- (Mg,Fe)₂SiO₄

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Dolomite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dolomite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dolomite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Dolomite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.