Malachite and Lepidolite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.25-4.10
  
2.80-2.90
  
Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
  
Uneven, UnevenArthur Thomas, Gemstones (2009)
  
Cleavage
Perfect on { 2 01} fair on {010}
  
{001} perfect
  
Mohs Hardness
3.5-4
  
2.5
  
Chemical Composition
Cu2CO3(OH)2
  
Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.
  
Malachite and Lepidolite Chemical Formula
While comparing Malachite and Lepidolite 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 Malachite and Lepidolite chemical formula.
- Chemical formula of Malachite- Cu2CO3(OH)2
- Chemical formula of Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.
Malachite and Lepidolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Malachite and Lepidolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Lepidolite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 2.80-2.90 whereas that of Lepidolite is 2.80-2.90.