Cyprine (of Berzelius)
Cyprine is a sky-blue variety of Vesuvianite from Norway. It was first described in 1820 by Berzelius from specimens found in Kleppan, Sauland, Telemark, Norway.
| General Information | |||||||
|---|---|---|---|---|---|---|---|
| A variety or type of: | Vesuvianite | ||||||
| Physical Properties of Cyprine (of Berzelius) | |||||||
| Mohs Hardness | 6 to 7, Gems, Sixth Edition (2006) | ||||||
| Specific Gravity | 3.25 to 3.50, Blue Chart Gem Identification (2010) | ||||||
| Optical Properties of Cyprine (of Berzelius) | |||||||
| Refractive Index | 1.698 to 1.723, Gemmological Tables (2004) | ||||||
| Optical Character | Uniaxial/-, Gemmological Tables (2004) | ||||||
| Birefringence | 0.001 to 0.012, Gemmological Tables (2004) | ||||||
| Colour | |||||||
| Colour (General) | Blue, pale blue, Management Team (2012) | ||||||
| Causes of Colour | Coloured by traces of copper, Management Team (2012) | ||||||
| Crystallography of Cyprine (of Berzelius) | |||||||
| Crystal System | Tetragonal, Blue Chart Gem Identification (2010) | ||||||
| Habit | Prismantic, Gems, Sixth Edition (2006) | ||||||
| Further Information | |||||||
| Mineral information: | Cyprine (of Berzelius) information at mindat.org | ||||||
| Significant Gem Localities | |||||||
| |||||||