-ˌshīt noun
( -s )
Usage: usually capitalized
Etymology: George L. English died 1944 American mineral dealer and collector + English -ite
: a mineral perhaps in the relation K 2 Ca 4 Al 8 (PO 4 ) 8 (OH) 10 .9H 2 O consisting of hydrous basic phosphate of potassium, calcium, and aluminum