Zircon. Chemical Characters. I! * n ^ u ^ e without addition by the blow pipe; orax it forms a colourlefs tranfparent glafs. Geognostic Situation. hls not as y a been extern-,1 n, cer ™ned. Werner, from its granular ST,"; ,he r nre ° f ,he “4 where belonEintr t V that “ °° CUrS imbedded in rocks S n £ to the neweft floetz trap formation. geographic Situation. ™rdtii"r'; fc , eyion ’ wwit ^M^ hy ctyftals " ! e Swi 0f a rivcr ’ a «“"’P a ' y yitals of Ipinelle, tourmaline, cevlanite kammerrath Von c 1 i i_. '-‘-yianne, form us that it 1 ° c hlotheim and Brochant fchwiirn in Nnr " ^ found at *>**■ hornblende and fei y rpr''. bCddCd m 3 r0ck co; ”P ofc