This is a fine stalactite cluster or "Flos Ferri" of bright white calcite. The locality is Santa Eulalia, Municipio de Aquiles Serdán, Chihuahua, Mexico. The piece measures overall 8.9 cm wide by 15 cm tall and is 9 cm front to back. This material has not been available in quantity for several years but there was a resent find. This piece is in excellent condition.