Volume 1

Observationes chemicae et mineralogicae : qvas inclyti ordinis medici consensv in Academia Georgia Avgvsta pro gradv doctoris legitime impetrando / pvblice defendet avctor Christianvs Ehrenfried Weigel ... die XXVII Martii MDCCLXXI.

  • Weigel, Christian Ehrenfried, 1748-1831.
Date:
[1771]-1773
Catalogue details

Licence: Public Domain Mark

Credit: Observationes chemicae et mineralogicae : qvas inclyti ordinis medici consensv in Academia Georgia Avgvsta pro gradv doctoris legitime impetrando / pvblice defendet avctor Christianvs Ehrenfried Weigel ... die XXVII Martii MDCCLXXI. Source: Wellcome Collection.

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    ~ * DE SPATHIS. Spatha bafi calcarea, textura lamellofa , fragmentis plus minus rhomboidalibus , figura determinata varia, habitu ab aliis lapidibus cryftallifatis facile diftin- guenda, merentur, quae in Claffe Calcareorum fpecia- lem Ordinem conftituant, fi in diuifione foffilium ad habitum extemum fimul refpicere placet. Genera, vt reliquorum quae fub Claffe Calcareorum comprehen¬ duntur, varia pro diuerfa partium conflituentium in¬ dole et mixtione. Calcarea, e terra calcarea purillima cryftallifando nata } forma determinata varia, cuius fpecies praeter 111. a Linne a) Wistfeldivs b) defcribit, nimirum eas , quas Hercynia fuppeditat; Gypfea, teiTa calcarea acido vitriolico faturata conftan- ' : tia, a) in Sy]U NaU et Amoen. T. 1. b') Mineralogifche Abliandlnngen. 6. Abk. I l