Ferrowyllieite-Wyllieite
specimen number:
1861107
location:
Victory Mine, Custer Co., South Dakota, USA
description:
Dark vitreous masses throughout a 5.0 x 2.5 x 2.0 cm matrix. Originally this material was known as wyllieite, and this was the type locality. The following is taken off Mindat: The original wyllieite from the Victory Pegmatite, Custer, South Dakota, USA (Moore and Ito, 1973) was redefined by Moore and Ito (1979) as ferrowyllieite-MnNaNa, but their new wyllieite, designated by them as wyllieite-?NaCa, was not formally described except for a published chemical analysis and the implicit assertion that their material otherwise conformed to the wyllieite group (Min Mag 43:227 (1979). Shipping weight: 0.06 pounds. Ex Wolfgang E Henkel collection.
Size: 5.0 x 2.5 x 2.0 cm (miniature)
Collection: Wolfgang E. Henkel
Questions about this specimen?
Send an email
or call us: 314-341-1811.