Thulite and Legrandite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.1
3.98-4.04
Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
Cleavage
Perfect {010} imperfect {100}
Imperfect, poor one {100}
Chemical Composition
Ca2Al3(SiO4)3(OH)
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Thulite and Legrandite Chemical Formula
While comparing Thulite and Legrandite 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 Thulite and Legrandite chemical formula.
- Chemical formula of Thulite- Ca2Al3(SiO4)3(OH)
- Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Thulite and Legrandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Thulite and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thulite and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Thulite is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.