Tin ore, Copper ore, Cassiterite, Greisen, Chalcopyrite
Anchor Mine, Lottah, Blue Tier district, Break O'Day municipality, Tasmania, Australia
Typical coarse zone in greisen tin ore, with dark brown cassiterite (LHS) and brassy chalcopyrite in a quartz-sericite-muscovite matrix, with minor brown siderite, fluorite, topaz, kaolinite etc.
© R. Bottrill