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Ludlamite and Sapphirine Physical Properties


Sapphirine and Ludlamite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.1-3.2   
3.40-3.58   

Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven   

Cleavage
Vitreous, pearly on cleavage   
{010} Perfect   

Mohs Hardness
3-4   
7.5   

Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
(Al,Mg) 8(Al,Si) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Ludlamite and Sapphirine Chemical Formula

While comparing Ludlamite and Sapphirine 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 Sapphirine chemical formula.

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Ludlamite and Sapphirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Sapphirine Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 3.40-3.58 whereas that of Sapphirine is 3.40-3.58.

Green Gemstones

Green Gemstones


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