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Lazulite
Lazulite

Franklinite
Franklinite



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Lazulite
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Franklinite

Lazulite and Franklinite 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
 
-
-
-
5.05-5.22
Uneven
None
5.5-6
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Lazulite and Franklinite Chemical Formula

While comparing Lazulite and Franklinite 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 Franklinite chemical formula.

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Lazulite and Franklinite Specific Gravity

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