Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
New Cliffe Hill Quarry, Cliffe Hill Quarry, Stanton under Bardon, Hinckley and Bosworth, Leicestershire, England, UK