Fastmarkets' weekly chrome ore South Africa UG2/MG concentrates index, cif China, rose to $208 per tonne, from $202 per tonne previously, in the week to February 22, while its fortnightly price assessment for chromite, foundry, 46% Cr2O3 min, wet bulk, fob South Africa, climbed to $215-230 per tonne, from $215-225 per tonne.