Herderite and Lizardite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.90-3.02
  
2.55
  
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
  
Not Available
  
Cleavage
Indistinct on {110}
  
{001} Perfect
  
Mohs Hardness
5-5.5
  
Not Available
  
Chemical Composition
CaBePO 4(F,OH)Ulrich Henn and Claudio C.
  
Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
  
Herderite and Lizardite Chemical Formula
While comparing Herderite and Lizardite 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 Herderite and Lizardite chemical formula.
- Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.
- Chemical formula of Lizardite- Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Herderite and Lizardite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Herderite and Lizardite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Herderite and Lizardite Optical Properties during the identification of gemstone. Specific gravity of Herderite is 2.55 whereas that of Lizardite is 2.55.