Mineral Like Industrial Smelting Waste

Moss Agate

Silicon Dioxide with inclusions (SiO2 + Fe/Mn/Mg)

Black Marble

Recrystallized Calcite (CaCO3)

Quartz Vein (Iron-stained)

Silicon Dioxide (SiO2) with limonite/hematite staining

Basalt with Epidote (Greenstone)

Amygdaloidal Basalt (Ca2(Al, Fe)3(SiO4)3(OH) inclusions)

Granite

Granite

Quartz Pebbles

Silicon Dioxide (SiO2)

Fluorite

Calcium Fluoride (CaF2)

Obsidian and Phantom Quartz

Volcanic Glass (SiO2 + MgO + Fe3O4) and Crystalline Quartz (SiO2)

Quartz Vein with Iron Staining

Silicon Dioxide (SiO2)

Sandstone (Red)

Arenite (primarily Quartz, SiO2, with Iron Oxide cement)

Picture Jasper

Silicified sedimentary or volcanic rock (primarily SiO2)

Diorite

Diorite

Granite

Phaneritic Igneous Rock (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)

Granite

Phaneritic Igneous Rock (composed mostly of Quartz, Feldspar, and Mica)

Granite Pebble

Granite (Phaneritic intrusive igneous rock comprising Quartz, Feldspar, and Mica)

Granite

Granite

Amazonite

K(AlSi3O8), Microcline (potassium feldspar)

Agate (translucent slice)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Basalt with Vesicles

Vesicular Basalt (comprising Plagioclase Feldspar, Pyroxene, and Olivine)

Amygdaloidal Basalt

Basalt with secondary mineral infilling (commonly Zeolite, Calcite, or Quartz)

Sandstone (Banded)

Clastic Sedimentary Rock (primarily SiO2)

Turquoise and Hematite

Turquoise (CuAl6(PO4)4(OH)8·4H2O) and Hematite (Fe2O3)

Sandstone (with garnet granules)

Clastic sedimentary rock (primarily SiO2 with Fe3Al2(SiO4)3 inclusions)

Gneiss (Metamorphic Cobble)

Gneiss

Basalt with Epidote/Chlorite

Amygdaloidal Basalt (SiO2 with (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH)))

Sandstone Pebble

Arenite (primarily SiO2)

Garden Quartz (Phantom Quartz)

Silicon Dioxide (SiO2) with various inclusions (often Chlorite, Hematite, or Iron)

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Milky Quartz with Iron Oxide

Quartz (Silicon Dioxide, SiO2) with Limonite/Goethite staining

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)

Black Obsidian

Obsidian (Volcanic Glass), primarily SiO2 (Silicon Dioxide)

Granite

Granite (Felsic Plutonic Rock)

Muscovite (White Mica)

Muscovite - Potassium aluminum silicate: KAl2(AlSi3O10)(F,OH)2

Quartz (Milky or Cloudy Quartz)

Silicon Dioxide (SiO2)

Fossilized Bone (Petrified Bone)

Permineralized Vertebrate Remains

Sandstone (Banded)

Clastic sedimentary rock (primarily SiO2)

Sandstone River Cobble

Arenite (predominantly SiO2)

Chrysocolla in Cuprite (Sonoran Sunrise)

Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O) (Chrysocolla) and Cu2O (Cuprite)

Obsidian

Volcanic Glass (Amorphous Silica)

Malachite

Copper carbonate hydroxide [Cu2CO3(OH)2]

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)

Sandstone (likely Ferruginous)

Arenite (primarily SiO2 with Fe2O3 staining)