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Calcite
Calcite

Lazulite
Lazulite



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Calcite
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Lazulite

Calcite and Lazulite Physical Properties

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Physical Properties

Tenacity

Brittle
-

Solubility

Soluble
-

Durability

-
-

Specific Gravity

2.67-2.733.04-3.17
1 7.18
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Fracture

Conchoidal
Uneven

Cleavage

Perfect on [10 1 1] three directions with angle of 74° 55
{001} Indistinct, {???} Indistinct

Mohs Hardness

35.5
2 10
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Chemical Composition

CaCO 3Ulrich Henn and Claudio C.
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Calcite and Lazulite Chemical Formula

While comparing Calcite 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 Calcite and Lazulite chemical formula.

  • Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.
  • Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Calcite and Lazulite Specific Gravity

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