Torbern Bergman Quote

Fossils are of four kinds, viz. saline, earthy, inflammable and metallic; hence arise four classes.


Outlines of Mineralogy (1783), trans. W. Withering


Fossils are of four kinds, viz. saline, earthy, inflammable and metallic; hence arise four classes.

Fossils are of four kinds, viz. saline, earthy, inflammable and metallic; hence arise four classes.

Fossils are of four kinds, viz. saline, earthy, inflammable and metallic; hence arise four classes.

Fossils are of four kinds, viz. saline, earthy, inflammable and metallic; hence arise four classes.