Margarite (large USA classic!) ex Wadsworth Atheneaum

Item Description

Margarite, a rare calcium, aluminum silicate that is a member of the Mica group, is found here as foliated, lilac-colored crystals in green actinolite schist. This classic specimen is from the historic Chester Emery Mines of Massachusetts, where Margarite was first found here in 1864. Collected circa 1900, the Margarite blades are excepionally large and rich. See article: The Chester Emery Mines in Min. Rec., July-Aug. 1978. Previously in the Miller collection from the 1800’s, after which it went to James B. Cone and the Wadsworth Atheneaum, and then to the Loomis Chaffee School (these labels are from that particular collection). 579 grams - large for this old classic material From the collection of East Coast collector, George Elling, specializing in historic minerals of the East Coast and minerals from the development of old European mineralogy.