DETERMINE THE UNKNOWN MINERAL: Scale Test Mineral 10 diamond 9 corundum 8 topaz 7 quartz 6 feldspar 5 apatite 4 fluorite 3 calcite 2 gypsum 1 talc Mineral H. Density, g/cc tellurium 2 2.07 galena 2.5 7.58 anglesite 2.5 - 3 6.4 chalcocite 2.5 - 3 5.6 copper 2.5 - 3 9.0 gold 2.5 - 3 19.3 silver 2.5 - 3 10.5 arsenic 3.5 5.7 barite 3 - 3.5 4.4 dolomite 3.5 - 4 2.9 platinum 4.5 21.5 willemite 5.5 4.0 magnetite 6 5.18 pyrite 6 - 6.5 5.02 pyrolusite 6 - 6.5 5.0 cassiterite 6.5 6.9 diamond 10 3.52 Volume of water displaced = 0.051 L Mass: 981.0, 908.1, 908, 981 g Density: 19,235 19 192.35 19.2 g/cc Hardness: = 4, 3, 1, 5.5, 2.5 - 5, 4.5, 1.5, 3, 2 Determine the unknown mineral. Unknown mineral: Platinum or Gold