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Ludlamite
Ludlamite

Mellite
Mellite



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Ludlamite
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Mellite

Ludlamite and Mellite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
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
 
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-
-
1.58-1.60
Conchoidal
{011} Imperfect
2
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Ludlamite and Mellite Chemical Formula

While comparing Ludlamite and Mellite 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 Mellite chemical formula.

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Ludlamite and Mellite Specific Gravity

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