- Toenail, 3.0 x 1.9 x 1.6 cm
- Thompson Shaft, Furnace Creek Wash, Ryan, Inyo Co., California, USA
- Ex. Al Ordway
This is a fascinating miniature of colemanite with two lustrous and translucent, bicolored crystals to 3 cm in length.The crystals exhibit a dark amber color at their terminations with an ivory color in the center. In addition, the largest crystal is also doubly terminated.