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
Tourmaline on Lepidolite Cruzeiro Mine; Mina’s Gerais, Brazil Image by author
Also known as “peacock ore” for its vibrant rainbow hues, Bornite is a copper iron sulfide (Cu5FeS4). Specimen from Mexico Image by author
Visited the Ben E. Clement Mineral Museum in Marion, Kentucky the other day and found a friend among the quartz!
Specimen from American Museum of Natural History - NYC Image by author
Specimens from American Museum of Natural History - NYC Images by author
All specimens from the American Museum of Natural History - NYC All images by author
Image by author