Crocidolite - Tanzania, Africa
Riebeckite is a sodium-rich member of the amphibole group of silicate minerals. It typically forms dark-blue elongated to fibrous crystals in highly alkali granites, syenites, rarely in felsic volcanics, granite pegmatites and schist. It occurs in banded iron formations as the asbestiform variety crocidolite, blue asbestos.
Size: 2926px × 3715px
Photo credit: © Phil Degginger / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: africa, asbestos, blue, crocidolite, crystals, fibrous, geology, mg)5si8o222, minerals, riebeckite, rocks, specimen, specimens, tanzania
