You are hereHome › Downtown Toledo Associates (x) › Gustavus Ohlinger Papers, 1821-1987, MSS-013 (x) › The University of Toledo (x) › ISPS Digital Archive (x) › Manuscript Collections (x) › Charles E. Sheets (x) › natural object (x) › Search results (61 - 80 of 110) Pages« first ‹ previous … 2 3 4 5 6 next › last » Title Gypsum Title Fluorite Octahedrons Title Steatite Statue Title Amethyst Title Beryl Title Mohs Hardness Scale (Graphic) Title Barite Title Fluorite - Calcite Title Schorl Tourmaline Title Carrollite on Calcite Title Native Sulfur Title Rhodochrosite Title Fluorite - Calcite Title Celestine Title Silicon Carbide (Synthetic) Title Zoisite - Corundum Title Rhodonite Title Petrified Wood Title Smoky Quartz Title Vanadinite Pages« first ‹ previous … 2 3 4 5 6 next › last »