Pleonaste and Legrandite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.80
  
3.98-4.04
  
Fracture
Not Available
  
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
  
Cleavage
Not Available
  
Imperfect, poor one {100}
  
Mohs Hardness
8
  
4.5-5
  
Chemical Composition
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
  
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Pleonaste and Legrandite Chemical Formula
While comparing Pleonaste 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 Pleonaste and Legrandite chemical formula.
- Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
- Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pleonaste and Legrandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pleonaste and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonaste and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Pleonaste is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.