Astrophyllite and Honey Opal Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.2-3.4
  
Not Available
  
Fracture
Uneven, Brittle, Metallic
  
Conchoidal, Conchoidal, Gemstones of the world (2001)
  
Cleavage
Perfect on [001] imperfect on [100]
  
Not Available
  
Mohs Hardness
3
  
5.5-6.5
  
Chemical Composition
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
  
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  
Astrophyllite and Honey Opal Chemical Formula
While comparing Astrophyllite and Honey Opal 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 Astrophyllite and Honey Opal chemical formula.
- Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Honey Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Astrophyllite and Honey Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Astrophyllite and Honey Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Astrophyllite and Honey Opal Optical Properties during the identification of gemstone. Specific gravity of Astrophyllite is Not Available whereas that of Honey Opal is Not Available.