











Mineralpedia Details for Ashburtonite
Ashburtonite

Named for the type locality at the Ashburton Downs in a copper deposit in Western Australia, Australia. The only additional locality for Ashburtonite is at the Tonopah-Belmont mine in Arizona, USA. It occurs at the type locality at a weathered shear zone that cuts through shale and greywacke, and forms as an alteration product of galena and likely chalcopyrite. Associated minerals include diaboleite, duftite, beudantite, caledonite, plattnerite, cerussite, malachite, and brochantite.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/ashburtonite.pdf
- Formula
- HCu4Pb4Si4O12(HCO3)4(OH)4Cl
- Crystal System
- Tetragonal
- Crystal Habit
- Prismatic
- Cleavage
- None, None, None
- Luster
- Vitreous (Glassy)
- Color
- blue
- Streak
- light blue
- Class
- Tetragonal - Dipyramidal
- Fracture
- Brittle - Conchoidal
- Hardness
- -
- WebMineral
- View Ashburtonite
- Mindat
- View Ashburtonite
Ashburtonite from Ashburton Downs, Western Australia, Australia

Sky blue earthy crust.
Ashburtonite from Anticline prospect, Ashburton Downs, Western Australia, Australia
Deep blue compacted crysatls in a mass.