Hollandite
at-auction$ 20
- Locality
- Black Butte, Castle Creek District, Bradshaw Mts, Yavapai Co., Arizona, USA
- Minerals
- Hollandite
- Dimensions
- 3.8 x 2.7 x 1.2 cm
- Size class
- Miniature
- SID
- CT741
Metallic black crystals of Hollandite. The Black Butte claims are former surface and underground mines for manganese and tungsten located a short distance east of Castle Creek. Specimens from this locality are very rare. Ex. Chuck Trantham collection.