Freibergite, Quartz, Azurite & Malachite (RARE old CA) Trimingham Coll.

Item Description

Mineral specimens of ANY species are RARE from this former Ag-Pb-Cu-Zn mining area. This is a very colorful and rich combination ore specimen of black metallic masses of freibergite (primary silver ore here) in milky quartz matrix with bright blue azurite with malachite. Ex Bob Trimingham Collection and from the William Bancroft Collection. A RARE and very fine old-timer! A MUST for the locality or species collector.