Riesling Beryl and Astrophyllite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.66-2.86
  
3.2-3.4
  
Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Uneven, Brittle, Metallic
  
Cleavage
Not Available
  
Perfect on [001] imperfect on [100]
  
Mohs Hardness
7.5-8
  
3
  
Chemical Composition
Al 2Be 3Si 6O 18Martin H.
  
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
  
Riesling Beryl and Astrophyllite Chemical Formula
While comparing Riesling Beryl and Astrophyllite 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 Riesling Beryl and Astrophyllite chemical formula.
- Chemical formula of Riesling Beryl- Al 2Be 3Si 6O 18Martin H.
- Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Riesling Beryl and Astrophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Riesling Beryl and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riesling Beryl and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Riesling Beryl is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.