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Indicolite Blue Tourmaline and Ludlamite Physical Properties


Ludlamite and Indicolite Blue Tourmaline Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.05-3.11   
3.1-3.2   

Fracture
Not Available   
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)   

Cleavage
Not Available   
Vitreous, pearly on cleavage   

Mohs Hardness
7-7.5   
3-4   

Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.   
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Indicolite Blue Tourmaline and Ludlamite Chemical Formula

While comparing Indicolite Blue Tourmaline 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 Indicolite Blue Tourmaline and Ludlamite chemical formula.

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Indicolite Blue Tourmaline and Ludlamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Indicolite Blue Tourmaline and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Indicolite Blue Tourmaline and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Indicolite Blue Tourmaline is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.

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