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Ludlamite
Ludlamite

Grandidierite
Grandidierite



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Ludlamite
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Grandidierite

Ludlamite and Grandidierite 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
 
-
-
-
2.85-3.00
Uneven
Perfect
7.5
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Ludlamite and Grandidierite Chemical Formula

While comparing Ludlamite and Grandidierite 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 Grandidierite chemical formula.

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Ludlamite and Grandidierite Specific Gravity

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