Note 136 — Chapter VI · Chemical and Mechanical Tests.
Reading edition
Geol. and Nat. History Survey of Minn., XIX., Ann. Rept., p. 42; also A. J. Moses, Characters of Crystals, p. 147.
Reading edition
Geol. and Nat. History Survey of Minn., XIX., Ann. Rept., p. 42; also A. J. Moses, Characters of Crystals, p. 147.