After that, do you really want to know what the Kentucky Geological Survey has to say about gold and silver in this US state? Featured
Category: Ooh . . . Shiny!
Guest Video: Saharan Desert Glass
Almost 30 million years ago, an asteroid or comet impact fused Saharan quartz grains into desert glass.
Guest Video: Collecting Topaz in Utah
Topaz is the hardest silicon-based mineral, and its clarity and beautiful color make this a beautiful and very popular gemstone. Topaz got its name from
Guest Video: Microphotographs of Gemstones
Microphotgraphy using polarized light yields beautiful art. It also is very helpful in learning more about a gem.
Metamorphic Gem: Garnet
Update, August 12, 2018: Thai food is delicious–why do these little endoliths feel they need to chow down on garnets? Mantle gems include diamonds and
Zabargad: Island of Green Stones
What do former Russian royals and the Red Sea have in common?
Gems, of course–in particular, one famous peridot plus a few smaller ones. All of these stones came from Zabargad Island in the Red Sea.
