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Ludlamite
Ludlamite

Pearl
Pearl



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Ludlamite
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Pearl

Ludlamite and Pearl Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.1-3.22.60-2.85
Amber
1 7.18
1.5 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Vitreous, pearly on cleavage
none
1.7 Mohs Hardness
3-42.5-4.5
Amber
2 10
1.8 Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Not Available

Ludlamite and Pearl Chemical Formula

While comparing Ludlamite and Pearl 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 Pearl chemical formula.

  • Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
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Ludlamite and Pearl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Pearl Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 2.60-2.85 whereas that of Pearl is 2.60-2.85.