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Ludlamite
Ludlamite

Beryllonite
Beryllonite



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Ludlamite
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Beryllonite

Ludlamite and Beryllonite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.1-3.22.79-2.87
1 7.18
👆🏻

Fracture

-
Conchoidal

Cleavage

Vitreous, pearly on cleavage
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces

Mohs Hardness

3-45.5-6
2 10
👆🏻

Chemical Composition

(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Ludlamite and Beryllonite Chemical Formula

While comparing Ludlamite 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 Ludlamite and Beryllonite chemical formula.

  • Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Beryllonite- NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Ludlamite and Beryllonite Specific Gravity

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