Almandine and Actinolite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.95-4.30
  
3.00
  
Fracture
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
  
Uneven, UnevenArthur Thomas, Gemstones (2009), Splintery
  
Cleavage
none
  
perfect along {110}.
  
Mohs Hardness
7-7.5
  
5-6
  
Chemical Composition
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
  
Almandine and Actinolite Chemical Formula
While comparing Almandine and Actinolite 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 Almandine and Actinolite chemical formula.
- Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Actinolite- Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Almandine and Actinolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Almandine and Actinolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Actinolite Optical Properties during the identification of gemstone. Specific gravity of Almandine is 3.00 whereas that of Actinolite is 3.00.