ˈsperēˌlīt, -rə̇ˌl- noun
( -s )
Etymology: Francis L. Sperry, 19th century Canadian chemist + English -lite
: a platinum arsenide PtAs 2 occurring as a mineral near Sudbury, Ontario in grains and minute isometric crystals of a tin-white color and being the only compound of platinum known to occur in nature (hardness 6-7. specific gravity 10.60)