Mottramite PbCu(VO4)(OH) - 08.BH.40 (Strunz)(from Mina la Ojuele, Mapimi, Durango, Mexico) Here we
Mottramite PbCu(VO4)(OH) - 08.BH.40 (Strunz)(from Mina la Ojuele, Mapimi, Durango, Mexico) Here we have a specimen of the hydrated lead and copper vanadium oxide mineral mottramite from Mexico. This is a relatively new find from the Mina la Ojuele mine. The mottramite forms as sharply formed mammilary masses that have a yellow to dark greenish-brown color. The mottramite has a ‘matt-like’ to silky luster. The mottramite specimens from this locality represent really excellent specimens from this species. Has a visible Pleochroism. -- source link
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