- Columbite on Microcline Var. Amazonite
- Thumbnail, 2.2 x 1.1 x 1.0 cm
- Crystal Park, El Paso County, Colorado, USA
- Ex. Richard and Mary Nelson
This amazing competition quality thumbnail has a splendent, black, 1.5 cm in length, columbite crystal perched on a crystal of blue-green, microcline var. amazonite, measuring 1.0 cm in length. I'm sure I have never seen another like it. Unique thumbnail!