Sceptre Quartz from Colorado, USA
USA | |
| Hanson, Timothy A., Craft, W.B. (Rusty) (1987) The Alice Glory Hole, Clear Creek County, Colorado. The Mineralogical Record, 18 (3) 185-187 |
| Montgomery, John R. (n.d.) Personal Communication. |
Montgomery, John R. (n.d.) Personal Communication. |
Little Giant Basin, Animas Mining District, San Juan County, Colorado, USA