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Jet lignite
Jet lignite

Legrandite
Legrandite



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Jet lignite
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Legrandite

Jet lignite and Legrandite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.30-1.34
-
None
2.5
C
 
Brittle
-
-
3.98-4.04
Conchoidal
Imperfect, poor one {100}
4.5-5
Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Jet lignite and Legrandite Chemical Formula

While comparing Jet lignite and Legrandite 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 Jet lignite and Legrandite chemical formula.

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Jet lignite and Legrandite Specific Gravity

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