Labradorite and Realgar Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.69-2.72
3.56
Fracture
Uneven, Conchoidal, Gems, Sixth Edition (2006)
(e.g. graphite).
Cleavage
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
{010} Good
Mohs Hardness
6-6.5
Not Available
Chemical Composition
(Na,Ca)1-2Si3-2O8
AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
Labradorite and Realgar Chemical Formula
While comparing Labradorite and Realgar 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 Realgar chemical formula.
- Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8
- Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
Labradorite and Realgar Specific Gravity
Another important criteria for qualitative analysis of gemstones is Labradorite and Realgar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Realgar Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 3.56 whereas that of Realgar is 3.56.