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Ulexite
Ulexite

Erythrite
Erythrite



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Ulexite
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Erythrite

Ulexite and Erythrite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.65-1.99
Uneven
{010} Perfect, {110} Perfect
2-2.5
NaCaB 5O 6(OH) 6 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
 
Sectile
-
-
3.06
Sectile
Perfect on {010}; poor on {100} and { 1 02}.
-9999
Co3(AsO4)2•8(H2O)

Ulexite and Erythrite Chemical Formula

While comparing Ulexite and Erythrite 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 Ulexite and Erythrite chemical formula.

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Ulexite and Erythrite Specific Gravity

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