Note 120 — Chapter IV · The Microscopic and Optical Characters of Minerals. (continued 2)
Reading edition
The tendency of labradorite in gabbros to twinning, after both Albite and Pericline laws, is to be noted.
Reading edition
The tendency of labradorite in gabbros to twinning, after both Albite and Pericline laws, is to be noted.