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Dallasite
Dallasite

Beryllonite
Beryllonite



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Dallasite
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Beryllonite

Dallasite and Beryllonite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.58-2.912.79-2.87
Amber
1 7.18
1.5 Fracture
Not Available
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
Not Available
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
1.7 Mohs Hardness
6.5-75.5-6
Amber
2 10
1.8 Chemical Composition
Not Available
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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  • Chemical formula of Beryllonite- NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

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 and Beryllonite Optical Properties during the identification of gemstone. Specific gravity of Dallasite is 2.79-2.87 whereas that of Beryllonite is 2.79-2.87.