|14.2 carat octahedral diamond from |
Kelsey Lake, Colorado (photo
courtesy of Howard Coopersmith).
|Iron Mountain vesicular? kimberlite, Wyoming. All of the |
pores in this kimberlite may have been the result of either
abundant gas bubbles or alternatively, they could be the
impressions of minerals eroded out of the kimberlite, i.e.,
|A fairly inexpensive design for a grease table constructed by Jay Roberts at|
the Wyoming Geological Survey. The light-bluish white coating is the grease
mixture. The problem with this material (particularly on a university campus)
was that we had to buy Vaseline by the case. We often received accusing
expressions from drug store employees assuming we were with a fraternity
planning for some weekend orgy.
|A giant diamond from Africa - 620 carats in weight. This diamond was actually on display for a short time at Wiseman's|
Jewelry in Laramie, where I was able to photograph the extraordinary stone.