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Amethyst
Amethyst

Ludlamite
Ludlamite



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Amethyst
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Ludlamite

Amethyst and Ludlamite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble in common solvents
-
2.65
Conchoidal, ConchoidalWalter Schumann
Indiscernible
7
SiO2
 
-
-
-
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

Amethyst and Ludlamite Chemical Formula

While comparing Amethyst 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 Amethyst and Ludlamite chemical formula.

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Amethyst and Ludlamite Specific Gravity

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