ˈ(y)üˌlekˌsīt noun
( -s )
Etymology: George L. Ulex died 1883 German chemist + English -ite
: a mineral NaCaB 5 O 9 .8H 2 O consisting of a hydrous sodium calcium borate and occurring in white rounded crystalline masses rather common in borate deposits (hardness 1, specific gravity 1.65)