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Helenite
Helenite

Lazulite
Lazulite



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Helenite
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Lazulite

Helenite and Lazulite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
Indiscernible
-9999
SiO2
 
-
-
-
3.04-3.17
Uneven
{001} Indistinct, {???} Indistinct
5.5
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Helenite and Lazulite Chemical Formula

While comparing Helenite 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 Helenite and Lazulite chemical formula.

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Helenite and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Helenite and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Helenite Vs Lazulite during the identification of gemstone. Specific gravity of Helenite is whereas that of Lazulite is .