Spiraling Out of Control?
As a former geology major and a Tucson resident I love being able to visit the Gem and Mineral Show. I don't go every year because it's too tempting. I'm ashamed to admit how many boxes of mineral specimens, fossils, and beads I have. Recently though, I went through those treasures to find a focal piece for a box I was going to work on as a demonstration at the Southern Arizona Arts Guild gallery. I settled on a spiral ammonite whose shell had been replaced with the mineral h
Mar 192 min read