Thulite and Dolomite Physical Properties

Thulite

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

3.12.80-2.95

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Perfect {010} imperfect {100}

Perfect on {10 1 1}, rhombohedral cleavage

1.7 Mohs Hardness

6-73.5-4

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

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

Thulite and Dolomite Chemical Formula

While comparing Thulite 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 Thulite and Dolomite chemical formula.

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Dolomite- CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Thulite and Dolomite Specific Gravity

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