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Ludlamite
Ludlamite

Hyalite
Hyalite



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Ludlamite
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Hyalite

Ludlamite and Hyalite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
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
 
-
-
-
-9999
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Ludlamite and Hyalite Chemical Formula

While comparing Ludlamite and Hyalite 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 Hyalite chemical formula.

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Ludlamite and Hyalite Specific Gravity

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