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Very brilliant group of interpenetrated cube-octahedral skutterudite crystals, with very well defined faces and edges. They are included in a matrix with pinkish dolomite, NOT acidified. Very aesthetic and sized.
Group of octahedral crystals of this unusual nickel sulfoarsenide. It shows very bright faces and defined edges. The luster, tet me emphasize, is exceptional. Disposed very aerial on a matrix of calcite. This specimen has NOT been acidified to remove calcite as is usual in many specimens what may compromise their future stability. A good choice.