Rock Crystal and Piemontite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.65
  
Not Available
  
Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Uneven, Splintery
  
Cleavage
Not Available
  
[001] good, [100] distinct
  
Mohs Hardness
7
  
6-6.5
  
Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)
  
Not Available
  
Rock Crystal and Piemontite Chemical Formula
While comparing Rock Crystal and Piemontite 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 Rock Crystal and Piemontite chemical formula.
- Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)
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Rock Crystal and Piemontite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rock Crystal and Piemontite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rock Crystal and Piemontite Optical Properties during the identification of gemstone. Specific gravity of Rock Crystal is Not Available whereas that of Piemontite is Not Available.