When Lewandowski's group set up its microbial fuel cell in Hyalite Creek near Bozeman, Mont. |
This hyalite fluoresces bright green in short wave U.V. likely indicating the presence of small amounts of uranium salts. |
Topaz, Fluorite, Pseuclobrookite, Hematite and Hyalite Opal are all present as mineral species in lithophysal rhyolite of Topaz Mountain. |
Girasol, Cacholong, hyalite, and Menilite are varieties of opal. |