HAUSMANNITE (Cyclic Twin)

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A very fine crystallized specimen of Hausmannite from the N'Chwaning mines, South Africa. Displaying excellent crystals measuring to 2.2 cm and developed into a stacked pseudo-octa hedral habit, some crystals show cyclic twinning, with a lustrous metallic black-grey colour. Very few localities in the world have produced good Hausmannite crystals and consequently fine crystallized specimens are rare. A great Hausmannite specimen from the N'Chwaning mines. A superb addition to any rare species, or crystal form collection. Show more