Peridot and Dolomite Physical Properties

Peridot

Dolomite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Poorly soluble in dilute HCl

1.3 Durability

Not Available

1.4 Specific Gravity

1.54-1.552.80-2.95

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

Poor

Perfect on {10 1 1}, rhombohedral cleavage

1.7 Mohs Hardness

6.5-73.5-4

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

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

Peridot and Dolomite Chemical Formula

While comparing Peridot 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 Peridot and Dolomite chemical formula.

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

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Peridot and Dolomite Specific Gravity

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