disthene


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Related to disthene: andalusite, sillimanite

disthene

(ˈdɪsθiːn)
n
another name for kyanite
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Govindaraju, "Report (1967-1981) on four ANRT rock reference samples: diorite DR-N, serpentine UB-N, bauxite BX-N, disthene DT-N," Geostandards Newsletter, vol.
The best known example is kyanite, whose older name "disthene" (from the Greek dis = two and stehnos = power) refers to the fact that the hardness is markedly less when measured across a crystal face in a direction parallel to the c axis versus perpendicular to it.