Garnet and Astrophyllite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.55-4.33
  
3.2-3.4
  
Fracture
Conchoidal, Uneven
  
Uneven, Brittle, Metallic
  
Cleavage
Indistinct
  
Perfect on [001] imperfect on [100]
  
Mohs Hardness
6.5-7.5
  
3
  
Chemical Composition
Garnet is a series of several different minerals with unique chemical formulas.
  
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
  
Garnet and Astrophyllite Chemical Formula
While comparing Garnet 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 Garnet and Astrophyllite chemical formula.
- Chemical formula of Garnet- Garnet is a series of several different minerals with unique chemical formulas.
- Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Garnet and Astrophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Garnet and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Garnet and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Garnet is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.