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Dallasite
Dallasite

Beryllonite
Beryllonite



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Dallasite
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Beryllonite

Dallasite and Beryllonite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.58-2.91
-
-
6.5-7
-
 
Brittle
-
-
2.79-2.87
Conchoidal
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
5.5-6
NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Dallasite and Beryllonite Chemical Formula

While comparing Dallasite and Beryllonite 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 Dallasite and Beryllonite chemical formula.

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Dallasite and Beryllonite Specific Gravity

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