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Lazulite
Lazulite

Witherite
Witherite



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Lazulite
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Witherite

Lazulite and Witherite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
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
 
-
-
-
4.27-4.35
Conchoidal
{010} Distinct
3-3.5
BaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Lazulite and Witherite Chemical Formula

While comparing Lazulite and Witherite 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 Lazulite and Witherite chemical formula.

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Lazulite and Witherite Specific Gravity

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