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Ludlamite
Ludlamite

Amethyst
Amethyst



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Ludlamite
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Amethyst

Ludlamite and Amethyst Physical Properties

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

Ludlamite and Amethyst Chemical Formula

While comparing Ludlamite and Amethyst 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 Amethyst chemical formula.

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Ludlamite and Amethyst Specific Gravity

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