Magnesite and Labradorite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Effervesces in hot HCl
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.92-3.12
2.69-2.72
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, Conchoidal, Gems, Sixth Edition (2006)
Cleavage
[10 1 1] perfect
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
Mohs Hardness
3.5-4.5
6-6.5
Chemical Composition
MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Na,Ca)1-2Si3-2O8
Magnesite and Labradorite Chemical Formula
While comparing Magnesite 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 Magnesite and Labradorite chemical formula.
- Chemical formula of Magnesite- MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8
Magnesite and Labradorite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Magnesite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Magnesite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Magnesite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.