Milarite and Labradorite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.52-2.60
  
2.69-2.72
  
Fracture
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
  
Uneven, Conchoidal, Gems, Sixth Edition (2006)
  
Cleavage
{0001} Imperfect, {1120} Imperfect
  
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
  
Mohs Hardness
5.5-6
  
6-6.5
  
Chemical Composition
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
(Na,Ca)1-2Si3-2O8
  
Milarite and Labradorite Chemical Formula
While comparing Milarite and Labradorite 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 Milarite and Labradorite chemical formula.
- Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8
Milarite and Labradorite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Milarite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Milarite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Milarite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.