ashburtonite
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Ashburtonite is a rare lead copper silicate-bicarbonate mineral with formula: HPb4Cu2+4Si4O12(HCO3)4(OH)4Cl.
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- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.CF.05
- Nickel-Strunz 9th edition (updated 2009)
- 9.CF.05
- Commons category
- Ashburtonite
- IMA Mineral Symbol
- Ahb
- chemical formula
- HCu₄Pb₄Si₄O₁₂(HCO₃)₄(OH)₄Cl
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Article
2 sectionsContents
- Geological occurrence
- References
Ashburtonite is a rare lead copper silicate-bicarbonate mineral with formula: HPb4Cu2+4Si4O12(HCO3)4(OH)4Cl.
==Geological occurrence== Ashburtonite was first described as a secondary mineral in a shear zone in a series of shales and graywackes. It is an alteration product of galena and chalcopyrite. The secondary minerals within the shear consist of carbonates, arsenates, and sulfates of lead and copper, and to a much lesser extent of zinc and iron. Ashburtonite is associated with beudantite, brochantite, caledonite, cerussite, diaboleite, duftite, malachite, plattnerite, adamite, antlerite, bayldonite, bindheimite, carminite, chenevixite, chlorargyrite, chrysocolla, cinnabar, hemimorphite, hydrozincite, jarosite, lavendulan, linarite, mimetite, olivenite, paratacamite, and rosasite.