Rocks and Minerals of California |
Contents
OF CALIFORNIA | 2 |
Stories of California Minerals | 29 |
The Nature of California Rocks | 41 |
Copyright | |
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12 psilomelane 15 pyrite 18 marcasite 19 molybdenite 21 stibnite 22 hematite 23 magnetite 34 calcite 36 magnesite 40 azurite 45 barite 46 gypsum 65 rhodonite 70 garnet 77 arsenopyrite 80 uranium 9 sphalerite acid adamantine andalusite anhydrite arsenopyrite azurite barite basalt blue bornite brown calcite California cavities cerussite chalcedony chalcopyrite chromite chromite 7 quartz cleavage colorless conchoidal copper County crust dark deposited earth epidote feldspar fibrous Fizzes or foams flakes fracture garnet 71 epidote glaucophane gold 2 silver grains granite granular gray greasy green hardness hematite igneous rocks knife Lake lava layers limestone luster glassy magma magnetite masses massive forms metamorphic rocks mica molybdenite olivine opal pearly pegmatite pink prismatic crystals psilomelane pyrolusite pyrrhotite quartz rhodonite rhyolite River sandstone scheelite schist scratched sedimentary rocks sediments shale Sierra silver 4 galena sphalerite stibnite streak surface tourmaline Valley veins volcanic yellow