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Ulexite
Ulexite

Esperite
Esperite



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Ulexite
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Esperite

Ulexite and Esperite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
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)
 
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-
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4.28-4.42
Conchoidal
Distinct on [010] and [100] poor on [101]
5-5.5
PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

Ulexite and Esperite Chemical Formula

While comparing Ulexite and Esperite 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 Esperite chemical formula.

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Ulexite and Esperite Specific Gravity

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