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Amblygonite and Ludlamite Physical Properties


Ludlamite and Amblygonite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.98-3.10   
3.1-3.2   

Fracture
Sub-Conchoidal, Irregular/uneven, Sub-Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)   

Cleavage
[100] Perfect, [110] Good, [011] Distinct   
Vitreous, pearly on cleavage   

Mohs Hardness
6   
3-4   

Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael O’Donoghue , Gems, Sixth edition (2006) More from other references   
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

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Amblygonite and Ludlamite Chemical Formula

While comparing Amblygonite 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 Amblygonite and Ludlamite chemical formula.

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Amblygonite and Ludlamite Specific Gravity

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

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Green Gemstones


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