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Legrandite
Legrandite

Taaffeite
Taaffeite



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Legrandite
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Taaffeite

Legrandite and Taaffeite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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
 
-
-
-
3.60-3.61
Conchoidal
Imperfect/fair/absent
8-8.5
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

Legrandite and Taaffeite Chemical Formula

While comparing Legrandite and Taaffeite 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 Legrandite and Taaffeite chemical formula.

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Legrandite and Taaffeite Specific Gravity

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