Legrandite and Azurmalachite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.98-4.04
  
3.70-3.95
  
Fracture
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
  
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
  
Cleavage
Imperfect, poor one {100}
  
1,1 basal.
  
Mohs Hardness
4.5-5
  
3.5-4
  
Chemical Composition
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
  
Legrandite and Azurmalachite Chemical Formula
While comparing Legrandite and Azurmalachite 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 Legrandite and Azurmalachite chemical formula.
- Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Azurmalachite- (Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
Legrandite and Azurmalachite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Legrandite and Azurmalachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Legrandite and Azurmalachite Optical Properties during the identification of gemstone. Specific gravity of Legrandite is 3.70-3.95 whereas that of Azurmalachite is 3.70-3.95.