Danburite

Order items by
Danburite
Aurora Mine, Charcas, Mun. de Charcas, San Luis Potosí, Mexico

Item-No.: MIN6057
Price: 129.00 EUR 

Classification:  Silicates, Tektosilicates
Chemical formula:  CaB2Si2O8
Crystal system:  Orthorhombic
Density (g/cm3):  2,93 - 3,02 measured, 2,99 calculated
Tenacity:  Brittle
Cleavage:  Poor / indistinct on  {001}
Fracture:  Irregular/Uneven, Sub-Conchoidal
Hardness (Mohs):  7 - 7,5
Colour:  Pale yellow, yellowish-brown, colourless
Lustre:  Vitreous, Greasy
Streak:  White
Type locality:  Danbury, Fairfield Co., Connecticut, USA
Application:  occasional as jewellery stone

 


 

 


 

 
TOPGEO Mineralienhandel GmbH
Dr. Petr Zajicek
Commercial register:
HRB 671194 Amtsgericht Ulm
VAT-Id: DE147815490
Gersbach 10
74589 Satteldorf
Germany
Telephone: +49 7950 1345
Telefax: +49 7950 8483
eMail:
Individual design and programming
by Schindler Internetservices
http://www.megapixler.de