Glaucophane and Legrandite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3-3.15
3.98-4.04
Fracture
Conchoidal, Brittle, Conchoidal
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
Cleavage
Good on [110] and on [001]
Imperfect, poor one {100}
Mohs Hardness
6.0-6.5
4.5-5
Chemical Composition
[ ]Na2(Mg3Al2)Si8O22(OH)2
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Glaucophane and Legrandite Chemical Formula
While comparing Glaucophane 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 Glaucophane and Legrandite chemical formula.
- Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
- Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Glaucophane and Legrandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Glaucophane and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glaucophane and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Glaucophane is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.