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Ludlamite and Danburite Physical Properties


Danburite and Ludlamite Physical Properties


Physical Properties

Tenacity
-  
Brittle  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
3.1-3.2  
2.97-3.03  

Fracture
-  
Uneven, ConchoidalWalter Schumann, Conchoidal  

Cleavage
Vitreous, pearly on cleavage  
{001} Poor  

Mohs Hardness
3-4  
7  

Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references  
CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references  

Optical Properties >>
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Ludlamite and Danburite Chemical Formula

While comparing Ludlamite and Danburite 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 Danburite chemical formula.

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Ludlamite and Danburite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Danburite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Danburite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 2.97-3.03 whereas that of Danburite is 2.97-3.03.

Green Gemstones

Green Gemstones


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