Labradorite and Hackmanite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.69-2.72
2.27-2.33
Fracture
Uneven, Conchoidal, Gems, Sixth Edition (2006)
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Cleavage
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
Not Available
Mohs Hardness
6-6.5
5.5-6
Chemical Composition
(Na,Ca)1-2Si3-2O8
Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Labradorite and Hackmanite Chemical Formula
While comparing Labradorite and Hackmanite 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 Labradorite and Hackmanite chemical formula.
- Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8
- Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Labradorite and Hackmanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Labradorite and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.