A RAZOR-SHARP, textbook-perfect ONE CENTIMETER boleite crystal perched admirably in matrix! This is a piece from the Leithauser Collection, which he obtained after the big find by Larson and Swoboda in 1979. It is just superb for quality and balance, and I simply have not had better for sale nor even seen better for sale in recent years 5.5 x 3.5 x 2.7 cm