Search Mineralpedia – A Mineral Photo Database and Identification Guide
Named to honor Italian botanist Professor Michele Tenore of the University of Naples in Naples, Italy. Tenorite has hundreds of localities where it occurs in oxidized portions of hydrothermal copper deposits and also as a volcanic sublimate.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/tenorite.pdf
Phyllosilicate - Monoclinic - Mica group member. Ordinary (True or Common) Mica - Trioctahderal with Mg, some substitutions for of Fe3+ for silicon at the (T) positions and OH>F at (A) otherwise would be Fluorotetraferriphlogopite.
Found in ultrabasic alkaline massif of Kovdor.