Hobart Butte, Black Butte District, Lane Co., Oregon

6 x 3.3 x 3.2 cm

Sold

Ex. Renaud Vochten, purchased in 1999

AlAsO₄·2H₂O

An off white colored earthy mass of the rare arsenate, Mannsfieldite. Closely related to Scorodite, there is light gray/green colored Scorodite on the surfaces of the many small vugs present on the specimen.

Condition: Composed of massive material.

Flaws: Nothing Appreciable

This mineral is also found in the following galleries: Minerals From the United States | Arsenates | Rare Minerals | Minerals Priced Between 50 and 99 Dollars