rickardite
rickardite, copper telluride mineral with the formula Cu7Te5, the purple-red masses of which resemble tarnished bornite. It was discovered at Vulcan, Colo., where it is accompanied by weissite, another copper telluride (Cu2βXTe). For chemical formulas and detailed physical properties, see sulfide mineral (table).
This article was most recently revised and updated by John P. Rafferty.
Citation Information
Article Title:
rickardite
Website Name:
Encyclopaedia Britannica
Publisher:
Encyclopaedia Britannica, Inc.
Date Published:
15 January 2018
Access Date:
November 14, 2026