A single crystal laying flat on a chalcedony matrix and showing colour zoning with a light green band across the middle. The main prism faces have a high lustre and show parallel striations aligned along the c-axis. There is a small pyramidal crystal extending from one face.
6.7cms x 4.0cms x 4.0cms.
Jalgaon, 375 kms NE of Mumbai, Maharashtra State, India.