CROCOITE - PbCrO4 This one is beautiful bright orange red jackstraw group of Crocoite crystals scattered over a bed of a thin mat of possibly pale olive green pyromorphite. The pyromorphite mat itself sits on black coated limonite gosssan matrix. This specimen is 9.5 cm (3-3/4") wide by 8 cm (3-18") deep by 7 cm (2-3/4") high. Weight 0.45 lbs. Red Lead Mine, Dundas, Tasmania.