Colorado 80210 markivanjacobson@gmail.com No pegmatite mineral collection is complete without octahe-...Fluorite is almost always a late-stage mineral in pegmatite cavities, forming a colorful, attractive icing...icing on the more spectacular crystals of beryl, topaz, and tourmaline. Even the common minerals of microcline...Granite, near Red Stone quarry, Conway, Carroll County, New Hampshire. Henry Minot specimen and photo...training, with a long-term specialty in collecting pegmatite minerals. He currently works in Chengdu, Sichuan |