Browse Items (99 total) Tags: Rocks and Minerals Browse All Browse by Tag Search Items Previous Page of 10 Next Page Sort by: Title Creator Date Added Quartz, Milky One specimen of massive milky quartz. Tags: Arkansas, Geology, North America, Rocks and Minerals, United States Quartz One cluster of small clear to slightly milky quartz crystals. Tags: Arkansas, Geology, North America, Rocks and Minerals, United States Kaolinite Two specimens of light reddish brown kaolinite; a clay mineral. Tags: Brown, Geology, Red, Rocks and Minerals Cinnabar Two specimens of cinnabar crystals in quartz. Tags: Arkansas, Brown, Geology, North America, Red, Rocks and Minerals, United States Quartz, Milky One specimen of massive milky quartz. Tags: Arkansas, Geology, North America, Rocks and Minerals, United States Flint One specimen of dark gray flint. Tags: Geology, Gray, Rocks and Minerals Caliche One specimen of caliche, a secondary deposit of calcium carbonate. Tags: Arizona, Geology, North America, Orange, Rocks and Minerals, Tan, United States, White Novaculite One polished specimen of white novaculite. Tags: Arkansas, Black, Geology, North America, Rocks and Minerals, United States, White Actinolite Dark green mass of radiating columnal aggregates of actinolite crystals in a quartz matrix. Tags: California, Geology, North America, Rocks and Minerals, United States Azurite Specimen consists of massive anglesite, malachite, quartz and azurite. Azurite also occurs as small crystals filling veins. Tags: California, Geology, North America, Rocks and Minerals, United States Previous Page of 10 Next Page Featured Item Egg, Elephant Bird
