Brucite and Antigorite Physical Properties
Tenacity
Sectile
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.39
  
2.58-2.80
  
Fracture
Irregular
  
Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)
  
Cleavage
Perfect on {0001}
  
{001} Good
  
Mohs Hardness
2.5
  
5-5.5
  
Chemical Composition
Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
  
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
  
Brucite and Antigorite Chemical Formula
While comparing Brucite and Antigorite 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 Brucite and Antigorite chemical formula.
- Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Antigorite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Brucite and Antigorite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Brucite and Antigorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Antigorite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 2.58-2.80 whereas that of Antigorite is 2.58-2.80.