Metallic Substance Quotes
- [Pitchblende] consists of a peculiar, distinct, metallic substance. Therefore its former denominations, pitch-blende, pitch-iron-ore, &c. are no longer applicable, and must be supplied by another… — Martin Heinrich Klaproth
- Wherefore no name can be found for a new fossil [element] which indicates its peculiar and characteristic properties (in which position I find myself at… — Martin Heinrich Klaproth