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Ludlamite
Ludlamite

Vishnevite
Vishnevite



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Ludlamite
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Vishnevite

Ludlamite and Vishnevite Physical Properties

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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-
-
-9999
Uneven
Perfect
5-6
-

Ludlamite and Vishnevite Chemical Formula

While comparing Ludlamite and Vishnevite 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 Vishnevite chemical formula.

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Ludlamite and Vishnevite Specific Gravity

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