The sculpture shows young man (groom) waiting for his wife-to-be.
This is a nice investment piece by the greatest living Zimbabwean sculptor. Sylvester represented Zimbabwe at the 2017 Venice Biennale.
Lepidolite is a mineral of the mica group, containing lithium. This stone came from Bikita, one of two sources in Zimbabwe. Lepidolite from the other mine in Mutoko is a deeper purple.