Here you see a dramatic geometry showing two growth stages of sharply crystallized, twinned dolomite crystals - this makes for a really superb, floater cluster. The bottom crystals are included with hematite, and are red; while the larger crystal perched symmetrically atop is water-clear. The twinning planes here are sharp enough they could have been carved, and the piece is gemmy and mostly transparent. It is so gemmy, so lustrous, and so sharp it really transcends the average quality of material which trickles out of here over the years. Ex. Helmut Bruckner Collection.