Ludlamite and Peridot Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.1-3.2
1.54-1.55
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Conchoidal
Cleavage
Vitreous, pearly on cleavage
Poor
Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe)2SiO4
Ludlamite and Peridot Chemical Formula
While comparing Ludlamite and Peridot 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 Peridot chemical formula.
- Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Peridot- (Mg,Fe)2SiO4
Ludlamite and Peridot Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ludlamite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.