The name buchite
is used for a glassy pyrometamorphic volcanic rock (Callegari and Pertsev, 2007).
Foit Jr., F., Hooper, R., Rosenberg, P., An unusual pyroxene, melilite, and iron oxide mineral assemblage in a coal-fire buchite
from Buffalo, Wyoming, Am.
565-566 of this issue of The Journal); and buchite
from Eifel, Germany (see Gem Note on pp.