Jasper containing Agate (Jaspagate)
Silicon Dioxide (SiO2)
Category
Browse industrial by product specimens identified by the Rock Identifier community.
Jasper containing Agate (Jaspagate)
Silicon Dioxide (SiO2)
Bumblebee Jasper
Fibrous Calcite with Arsenic and Sulfur inclusions
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Gold-bearing Quartz
Auriferous Quartz (SiO2 with native Au)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Chert (var. Jasper)
Microcrystalline Quartz (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Aquamarine
Beryl (Be3Al2Si6O18)
Diamond (or high-refractive faceted gemstone)
Carbon; C
Diamond (in a jewelry setting)
Carbon (C)
Quartz pebble
Silicon Dioxide (SiO2)
Quartzite with inclusions
Quartzite (SiO2)
Shungite
Shungite (Non-crystalline carbon, C)
Quartzite
SiO2 (Metamorphosed Sandstone)
Quartz Pebble (Water-Worn)
Silicon Dioxide (SiO2)
Peridot
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
Sandstone (lithic wacke)
Arenite / Lithic Wacke (mostly SiO2 with rock fragments)
Milky Quartz with inclusions
Quartz (Silicon Dioxide, SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Peridot (Olivine)
Olivine, (Mg, Fe)2SiO4
Garnet (Almandine variety)
Almandine, Fe3Al2(SiO4)3
Sandstone (Quartz Arenite)
Clastic Sedimentary Rock - Quartz Arenite
Mica Schist with Garnet inclusions
Mica Schist (primarily Muscovite and Biotite - KAl2(AlSi3O10)(OH)2)
Arsenopyrite in Quartz/Host Rock
Arsenopyrite (FeAsS)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
Milky Quartz Pebble
Silicon dioxide (SiO2)
Granitic Pegmatite
Granite (with coarse-grained Quartz, Feldspar, and Mica components)
Schist
Chlorite/Mica Schist
Sandstone
Arenite (primarily SiO2)
Yellow Quartz
Silicon Dioxide (SiO2)
Garnet in Schist (Polished Tower)
Almandine Garnet (Fe3Al2(SiO4)3) in Mica Schist
Diamond (appearing in jewelry)
Diamond (pure Carbon, C)
Diamond
Diamond (C)
Cubic Zirconia (as used in jewelry setting)
Zirconium dioxide (ZrO2)
Aqua Aura Quartz
Titanium/Gold-coated Silicon Dioxide (SiO2)
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz Vein in Metamorphic Rock
Silicon Dioxide (SiO2) within Metasedimentary host
Coal (specifically Bituminous or Anthracite)
Organic sedimentary rock; primarily Carbon (C) with varying H, S, O, N
Jasper
Silicon Dioxide (SiO2)
Gold-bearing Quartz
Lode Gold in Silicon Dioxide (SiO2)