Lustrous, dark olive-green, flattened olivenite prisms richly encrust matrix along with malachite on this excellent and showy elongate plate from Tsumeb. Olivenite is a highly desirable secondary copper arsenate from this now-closed locality. Ex. Rob Smith Collection. A superb display piece with discrete crystals.
Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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