Mangan-neptunite (rare) Ex Weber Coll.

Item Description

Manganoneptunite is the rare Mn-rich member of the Neptunite Group. Some of the finest and largest examples of the species come from the famous Poudrette Quarry. A killer, sharp, terminated, large, lustrous and partially translucent, 2.0 cm, mottled red crystal is aesthetically set on matrix on this exceptional and rare thumbnail. Ex Marcelle and Charles Weber Collection. Valued at $500-1000.