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Lazulite
Lazulite

Vivianite
Vivianite



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Lazulite
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Vivianite

Lazulite and Vivianite 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
 
-
-
-
2.64-2.70
-
{010} Perfect
-9999
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Lazulite and Vivianite Chemical Formula

While comparing Lazulite and Vivianite 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 Vivianite chemical formula.

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Lazulite and Vivianite Specific Gravity

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