Crystal Quartz and Galena Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
Not Available
  
6.23
  
Fracture
Not Available
  
Subconchoidal, Brittle, Metallic
  
Cleavage
Not Available
  
Cubic perfect on [001], parting on [111]
  
Mohs Hardness
7
  
2.5-2.75
  
Chemical Composition
Not Available
  
PbS
  
Crystal Quartz and Galena Chemical Formula
While comparing Crystal Quartz and Galena 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 Crystal Quartz and Galena chemical formula.
>- Chemical formula of Galena- PbS
Crystal Quartz and Galena Specific Gravity
Another important criteria for qualitative analysis of gemstones is Crystal Quartz and Galena Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crystal Quartz and Galena Optical Properties during the identification of gemstone. Specific gravity of Crystal Quartz is 6.23 whereas that of Galena is 6.23.