Mineralpedia Details for Nadorite
Named for the original and type occurrence at Djebel Nador in the Constantine Province of Algeria. A rare mineral, Nadorite can be found in additional localities that include Morocco, England, Sweden, Germany, Bulgaria, Kazakhstan, and Namibia. It occurs “as an alteration product of other antimony-bearing minerals in hydrothermal mineral deposits.”
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/nadorite.pdf
Nadorite from Långban, Filipstad, Värmland, Sweden
Honey yellow crystals to 1mm.
Nadorite from Djebel Debar, Constantine, Algeria
Suberb crystal plates of amber brown Nadorite to 3mm in open vug with colorless to white bladed crystals of Valentinite.