Herderite and Labradorite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.02
2.69-2.72
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Uneven, Conchoidal, Gems, Sixth Edition (2006)
Cleavage
Indistinct on {110}
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
Mohs Hardness
5-5.5
6-6.5
Chemical Composition
CaBePO 4(F,OH)Ulrich Henn and Claudio C.
(Na,Ca)1-2Si3-2O8
Herderite and Labradorite Chemical Formula
While comparing Herderite 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 Herderite and Labradorite chemical formula.
- Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.
- Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8
Herderite and Labradorite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Herderite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Herderite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Herderite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.