This collection includes examples of silicates, oxides, sulfates, phosphates, and other major mineral groups as classified in Dana's Textbook of Mineralogy. 50 specimens approximately 1'' x 1'', each specimen is labeled for identification and categorized: These are the included specimens: Sulfur, graphite, copper, bornite, galena, chalcopyrite, sphalerite, pyrrhotite, pyrite, stibnite, molybdenite, ulexite, corundum, hematite, magnetite, chromite, pyrolusite, cassiterite, limonite, bauxite, halite, fluorite, calcite, dolomite, azurite, siderite, malachite, aragonite, apatite, amblygonite, wavelite, triphylite, gypsum, barite, scheelite, olivine, kyanite, beryl, biotite, muscovite, kaolinite, lepidolite, epidote, microcline, quartz, spodumene, rhodonite, hornblende, and augite. WARNING: This product contains the mineral galena, a lead compound. Lead is known to cause cancer, birth defects or other reproductive harm. Wash hands thoroughly after handling all rocks and minerals. |
