Note 83 — Chapter IV · The Microscopic and Optical Characters of Minerals.
Reading edition
Shown by Mügge, Joly, etc., to be caused by radiations emanating from U, Th, R, etc. Iddings’ Rock Minerals, 1911, p. 189.
Reading edition
Shown by Mügge, Joly, etc., to be caused by radiations emanating from U, Th, R, etc. Iddings’ Rock Minerals, 1911, p. 189.