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Lazulite
Lazulite

Beryllonite
Beryllonite



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Lazulite
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Beryllonite

Lazulite and Beryllonite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.04-3.172.79-2.87
1 7.18
👆🏻

Fracture

Uneven
Conchoidal

Cleavage

{001} Indistinct, {???} Indistinct
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces

Mohs Hardness

5.55.5-6
2 10
👆🏻

Chemical Composition

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Lazulite and Beryllonite Chemical Formula

While comparing Lazulite 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 Lazulite and Beryllonite chemical formula.

  • Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
  • Chemical formula of Beryllonite- NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Lazulite and Beryllonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Beryllonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Beryllonite Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 2.79-2.87 whereas that of Beryllonite is 2.79-2.87.