Peridot and Legrandite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.54-1.55
3.98-4.04
Fracture
Conchoidal
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
Cleavage
Poor
Imperfect, poor one {100}
Mohs Hardness
6.5-7
4.5-5
Chemical Composition
(Mg,Fe)2SiO4
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Peridot and Legrandite Chemical Formula
While comparing Peridot and Legrandite 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 Peridot and Legrandite chemical formula.
- Chemical formula of Peridot- (Mg,Fe)2SiO4
- Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Peridot and Legrandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Peridot and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.