Annabergite and Danburite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.07
2.97-3.03
Fracture
Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Cleavage
Perfect on {010}, indistinct on {100} and {102}
{001} Poor
Chemical Composition
Ni3(AsO4)2•8(H2O)
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Annabergite and Danburite Chemical Formula
While comparing Annabergite and Danburite 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 Annabergite and Danburite chemical formula.
- Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
- Chemical formula of Danburite- CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Annabergite and Danburite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Annabergite and Danburite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Danburite Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 2.97-3.03 whereas that of Danburite is 2.97-3.03.