i-i 6 TERRAE CALCABIiE. Marga. 
bitumino- 6 . M. indurata non fatifcens nigra pinguiufcula intus niti 
dula texturae fchirtofae in fragmenta difeoidea difllhens. ■ 
Sylt. nat. I. p. IJ'). n. 9. Schreb.lith. 63. Inft. min. 
'Cuprum fchifii. , r ^ -n r 1 
Syfi. nat. XII. 3. p. 145. n. II. Cuprum ( fchiftofum; 
matrice fchiftofa. • 1. 
Waller. miner. a8l. Minera cupri lapidi nfiili inhaerens- 
WalUr. Syfl. miner. 1. p. 0 .<)Z. n. 18. Cuprum corrofuU» , 
vel diverfimode tnineralifatum 9 fchifto inhaerens. ^ i 
Habitat in montibus flratarus Thuringiae, Ilennebergi*^ j 
HaiTiae , a bitumine , quo perfufa ejl , nigra, atque in' • 
flammabilis, dijficnlter fundenda, marinarum plantarutn 
reftigia impreJJh.Jibi Jiepemonfirans , crebro etiam inni' 
dulans cuprum , rarius nativum quam calces aut mi' , 
netas , inter has frequentijfme pyrhaceam , fapius pq' : 
cis facie indutam. 
^anonVraa. -y.M. intustnicans duriufcula coloris obfcure ferrei, de Set- 
^ viere & Vincent de Villas ehem. Annal.ijit^. a. p. - 87 * 
Habitat in Gallia prope S. Ambroix , polituram quodam' 
modo admittens , & ad chalybem parumper fcintiLlans • 
prater pauxillum terree fciijlofee fulphuris & quart^lt I 
ferri , fs argilla , & ^arra calcaria continens. | 
ai. MAGNES! AT A. Ex terra calcaria , pauca mS' , 
gnelia nigra , aere fixo ^ 
aqua cenfians. 
Duriufcula , Lamellofa i 
fponte in grana lecedenS* 
Ad aerem fenfim coloreR' 
fuperficiei mutans, tardiuSt 
& fiepe non nifi fad:a tri-' 
turationecum acidis 
vei cens . 
In igne nigrefeens. 
«ranula- I. M.fubopaca in igne tranquilla diffiliens in fragmen'’’' 
* jfis. indeterminata formae communis. 
Cronfl. miner, ij. 9 ' f'- 
