riebeckite: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Photos

Riebeckite (of the crocidolite variety) from South Africa.

See All Images →

Topics

crocidolite magnesioriebeckite asbestos sodic amphibole group glaucophane arfvedsonite chrysotile anthophyllite cummingtonite amphibole asbestos

Basalt sample returned by Apollo 15, from near a long sinous lunar valley called Hadley Rille. Measured at 3.3 years old.

(Bed) Rocks and (Flint) Stones