Dolomite and Lazulite Physical Properties

Dolomite

Lazulite

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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

2.80-2.953.04-3.17

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gemstones of the world (2001) More from other references

1.6 Cleavage

Perfect on {10 1 1}, rhombohedral cleavage

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

3.5-45.5

2 10

1.8 Chemical Composition

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

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Dolomite and Lazulite Chemical Formula

While comparing Dolomite and Lazulite 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 Lazulite chemical formula.

Chemical formula of Dolomite- CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

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Dolomite and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dolomite and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dolomite and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Dolomite is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.