Beschrijving Nepheline rock with acmite from Greenland Harbour. The ground-mass is entirely composed of nepheline, numerous hexagonal or quadratic sections of which appear in the figure. In this there are greenish lamellar sections of acmite. 1/35 crossed nicols.
Plaats: Kerguelen IslandAuteur Anoniem in Renard (1888)Uit bron Renard, A. (1888). Report on the rock specimens collected... (pagina 142)Download de volledige versie
