When you’re first learning mineral identification, it’s tempting to use color as the main distinguishing factor. It’s the first visual clue you perceive, and we gauge so many other things in our lives by color. However, as many know, color is hardly ever a good property for accurately identifying minerals. Take these fluorite (CaF2) samples… Continue reading The Many Shades of Fluorite
Emily Zawacki, Ph.D. 