Marialite and Labradorite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.50
2.69-2.72
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Uneven, Conchoidal, Gems, Sixth Edition (2006)
Cleavage
Distinct on {100} and {110}
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
Mohs Hardness
5.5-6
6-6.5
Chemical Composition
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
(Na,Ca)1-2Si3-2O8
Marialite and Labradorite Chemical Formula
While comparing Marialite 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 Marialite and Labradorite chemical formula.
- Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
- Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8
Marialite and Labradorite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Marialite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marialite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Marialite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.