Such crystals closely resemble xenotime in appearance and, indeed, were for a long time supposed to belong to this species, the special name wiserine being applied to them.
Amakristalu anjengalawa afana kakhulu nokuqothuka kwe-xenotime ngokubukeka futhi, empeleni, kwakuyisikhathi eside okuthiwa ayengokwalolu hlobo, igama elikhethekile elithi wiserine elalisetshenziswa kubo.