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Ruby
Ruby

Ludlamite
Ludlamite



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Ruby
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Ludlamite

Ruby and Ludlamite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.97-4.05
Conchoidal
No true cleavage
9
Al 2 O 3
 
-
-
-
3.1-3.2
-
Vitreous, pearly on cleavage
3-4
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Ruby and Ludlamite Chemical Formula

While comparing Ruby and Ludlamite 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 Ruby and Ludlamite chemical formula.

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Ruby and Ludlamite Specific Gravity

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