Labradorite and Tugtupite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.69-2.72
2.30-2.60
Fracture
Uneven, Conchoidal, Gems, Sixth Edition (2006)
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
{111} Imperfect
Mohs Hardness
6-6.5
5.5-6
Chemical Composition
(Na,Ca)1-2Si3-2O8
Na 4AlBeSi 4O 12ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Labradorite and Tugtupite Chemical Formula
While comparing Labradorite and Tugtupite 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 Tugtupite chemical formula.
- Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8
- Chemical formula of Tugtupite- Na 4AlBeSi 4O 12ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Labradorite and Tugtupite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Labradorite and Tugtupite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Tugtupite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 2.30-2.60 whereas that of Tugtupite is 2.30-2.60.