This post shows our selection of some of the interesting or aesthetic minerals in the exhibits of the museum display cases at the 2018 Tucson Gem and Mineral Show®. The theme of the show was "Crystals and Crystal Habits," and many of these minerals have interesting or unique crystal habits in line with this year's show theme.
Stacked Rhodonite Crystals from Franklin, NJ
Mineralogical & Geological Museum at Harvard University
Blue Brucite Crystals from the Bazhenovskoe Mine, Middle Urals, Russia
Fersman Mineralogical Museum
Octagonal Vesuvianite Crystals from Yunnan Province, China
Royal Ontario Museum
Complex Purple Fluorite Crystal from the Mex-Tex Mine, Hansonburg, NM
New Mexico Bureau of Mineral Resources
Kafehydrocyanite Ps. After Sulfur from Cozzodisi Mine, Girgenti, Sicily, Italy
Society of Mineral Museum Professionals
Tourmaline from Mt. Marie, Paris (L) and the Dunton Quarry, Newry (R), Maine
Maine Mineral & Gem Museum
Purple Apatite from Mt. Marie (L), Greenwood (C), and the Pulsifier Quarry (R), Maine
Maine Mineral & Gem Museum
Odd-Shaped Calcite Crystal from the 2nd Soviet Mine, Dal'negorsk, Russia
Cincinnati Museum Center
Reniform Hematite from Michigamme, Marquette Co., MI
Natural History Museum of Los Angeles County
Large Green Titanite Contact Twins
American Museum of Natural History
Chrysoberyl Sixling Cyclic Twins from Espirito Santo, Minas Gerais, Brazil
American Museum of Natural History
Bournonite Cyclic Twins from the Machacamarca Mine, Potosi, Bolivia
American Museum of Natural History
Cerussite Contact V-Twins from Touissit, Morocco
American Museum of Natural History
Bright Green Diopside Crystals from the Merelani Hills, Arusha, Tanzania
University of Arizona Mineral Museum
Autunite from the Daybreak Mine, Spokane Co., WA
University of Arizona Mineral Museum
Large Axinite-Fe Crystal from Bahia, Brazil
Smithsonian Institution National Museum of Natural History
Pink Spinel Crystals from Mehenge, Morogoro Region, Tanzania
Smithsonian Institution National Museum of Natural History
Triangular Diamond Macle Twin from the Ekati MIne, Lac De Gras, NW Territories, Canada
Smithsonian Institution National Museum of Natural History
Dark Gray Cubic Diamond from South Africa, Museum Gift of Washington Roebling
Smithsonian Institution National Museum of Natural History
Large Green Gem Beryl from Teofilo Otoni, Minas Gerais, Brazil
Smithsonian Institution National Museum of Natural History
