Origin: New Idria District, San Benito Co., California, U.S.A.
Origin: Rocca Sella, Val di Susa, Liguria, Italy
Sample size: 6 x 5.2 x 4.2 cm
Cluster of sharp and lustrous
magnetite crystals dusted with brown microcrystals of perovskite variety
dysanalyte
Origin: Magnet Cove, Hot Spring Co., Arkansas, U.S.A.
Sample size: 2.8 x 2.0 x 1.8 cm
Origin: Zlatoust, Ilmen Mts, Chelyabinsk Oblast', Urals Region, Russia
Ex. Martin Zinn collection
Sample size: 4.9 x 3.6 x 2.6 cm
Niobian perovskite crystal measuring 5 x 3 x 4 mm
Origin: Lauzon Farm, Oka, Deux-Montagnes Co., Québec, Canada
Sample size: 4.1 x 3.2 x 2.9 cm