Labradorite and Milarite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.69-2.72
2.52-2.60
Fracture
Uneven, Conchoidal, Gems, Sixth Edition (2006)
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
{0001} Imperfect, {1120} Imperfect
Mohs Hardness
6-6.5
5.5-6
Chemical Composition
(Na,Ca)1-2Si3-2O8
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Labradorite and Milarite Chemical Formula
While comparing Labradorite and Milarite 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 Milarite chemical formula.
- Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8
- Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Labradorite and Milarite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Labradorite and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Milarite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 2.52-2.60 whereas that of Milarite is 2.52-2.60.