Browse Items (99 total) Tags: Rocks and Minerals Browse All Browse by Tag Search Items of 10 Next Page Sort by: Title Creator Date Added Zircon One specimen of greenish-black hornblende with reddish-brown tetragonal crystals of zircon. Tags: Canada, Geology, North America, Rocks and Minerals Wolframite One specimen of black, blended wolframite, and quartz. Collected by A. E. Foote. Tags: England, Europe, Geology, Rocks and Minerals Willemite Fluorescent mineral. Tags: Geology, Rocks and Minerals Wavellite Square block of metamorphic breccia incrusted with wavellite spherules. Tags: Arkansas, Geology, North America, Rocks and Minerals, United States Wavellite Square block of metamorphic breccia incrusted with wavellite spherules. Tags: Arkansas, Geology, North America, Rocks and Minerals, United States Wavellite Square block of metamorphic breccia incrusted with wavellite spherules. Tags: Arkansas, Geology, North America, Rocks and Minerals, United States Wavellite Square block of metamorphic breccia encrusted with wavellite spherules. Tags: Arkansas, Geology, North America, Rocks and Minerals, United States Wavellite Square block of metamorphic breccia encrusted with wavellite spherules. Tags: Arkansas, Geology, North America, Rocks and Minerals, United States Wavellite Square block of metamorphic breccia encrusted with wavellite spherules. Tags: Arkansas, Geology, North America, Rocks and Minerals, United States Tremolite One specimen; large single crystal of dark greenish black tremolite and a variety of amphibolite. Tags: Geology, New York, North America, Rocks and Minerals, United States of 10 Next Page Featured Item Dinosaur Includes the 1st phalanx of 3rd metatarsal of right hind foot.