Minera pecmbi spatosa
LXII.
Plumbum fpatofum, idem ; at ex fatifcentiæ principio ? an ex injuriis
duntaxat aëris fubterranei ? extus bruneum, five rufo - fufcum, nitoris, dia-
phaneitatisque expers, Ex St. Matthæo.
LXIII.
Plumbum fpatofum flavum opacum, aut & fubdiaphanum, folidum,
amorphum ; ex parte etiam fubliratofum ; fraftura recente, vitri in fia r niten-
te ; abiens fuperficie fua, turn & in cavitatibus, in cryflallos homogeneas
drufice aggregatas, inordinate polyedras; fovens finu fito galenam plumbi
folidam areis magnîs micantem , fatifcentem ex parte in ochram plumbi
atram, opacam, cohærentem, intra digitos tamen facile friabilem ad Hammam
fiftuke ferruminatoriæ fuper carbone illico de le in plumbum regulinum
fundendum. E x St. Matthæo.
LXIV.
Plumbum fpatofum flavum laminofum; laminis fpatofo - plumbaceis
percurrentibus calcareum æquabilem, folidum, impalpabilem, flavorufum, fra-
flura arida argillæ, opaca, non micante, nec fquamofa. E x St. Matthæo.
LXV.
Plumbum fpatofum obfolete flavens, folidum, llratofum, pondero-
filîimum, fraélura vitrata nitente. , Stratis plus quam lineam craflis, inordinate
nateundatis, fubparallelis, inæqualiter tortuofis; marga flavâ opaca obdu-
flis ; tandem nigris ; fatifcentia in ochram pulverulentam nigram abeuntibus,
Efflorefcit folidum hocce plumbum fpatofum fuperficie fua, inque cavernis ,
hinc in cubulos, paràllelepipedaque homogenea conferte aggregata plumbi
fpatofi cryftallini nitentis, fefnidiaphani, fufco - flaventis ; inde in fafcicu-
los lamellarum plumbi fpatofi flavi undique difperfos ; fafciculo quovis com-
pofito ex lamellis parvis teneris planis irregularibus 5 - 6 - feptemve fchiflû-
fe connatis ; inde denique in lamellas crafliufculas breves flavas opacas fub-
ereftas conferte accumulatas, & confufe ordinatas, quæ adeo ex frequenti-
bus intercuflationibus & anaftomofibus cellulas labyrinthiformes gyris dæda-
leis efformant. Vom Catharein in der Wand.
LX V I.
Plumbum fpatofum faturo & obfcuro ceræ flavæ colore ponderofifli-
mum nitens, fubdiaphanum, magnis in faillis conglutinatum e meris laminis,
lamellisque, & cryltallis plumbaceo-fpatofis, feleniticis, cubicis, paralle-,
lopipedicisque, cellulofo- cavernofum. E x Catharein in der Wand.
LXV IL
Plumbum fpatofum flavum ex parte lamellofum, lamellis tetra - &
o£logonis v ix lineam lohgis, latisque; ex parte cryftallinum ; cryltallis exi-
guis, v ix granum papaveris excedentibus, femidiaphanis, plus minus niten-
tibus omnis generis: angulofo- lubglobofis-; femilentiformibus feffilibus, ora
peripheriæ fubhexagona ; cubicis ; rhombeo - hexaëdris ; leienitico - decaë-
dris ; hexagono - prilmaticis ; ocfodecaedris comprelfls ; teffaro - decaëdris,
B five