KnowraTrigonal crystal systemLinked fromLinked fromThe 7 pages that link to Trigonal crystal system, each with the reason it gives.All 7Broader topic 2Related 2Compared with 3Rhombohedral crystal systemRelated: Rhombohedral lattices belong to the trigonal crystal system, despite the different naming scheme.RhodochrositeRelated: Rhodochrosite crystals have trigonal symmetry.