Quartz Epimorphs after Glauberite
John Betts - Fine Minerals
Brown Quartz epimorphs after Glauberite crystals. The Glauberite formed first, then the Quartz coated it. When the Glauberite dissolved away, it left hollow casts. Ex. L. Russianoff collection.
McDowell's Quarry, Upper Montclair, Essex County, New Jersey
7 x 5 x 2.5 cm.