Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Category
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Chert (specifically Gray/Banded Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Brown Jasper (Likely)
Jasper (Cryptocrystalline Silicon Dioxide - SiO2)
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Wishing Stone (Basalt/Greywacke with Quartz Vein)
Basalt or Siltstone with SiO2 (Quartz) hydrothermal intrusion
Schist (Micaceous Schist)
Schist (containing mainly Muscovite and Quartz)
Granodiorite (containing Biotite and Quartz)
Granodiorite (Plagioclase-rich phaneritic intrusive rock)
Orange Quartzite (River Pebble)
Quartzite (primarily SiO2)
Granite and Igneous Mix
Phaneritic Felsic to Mafic Intrusive Rocks
Chert (Flint)
Microcrystalline Quartz (SiO2)
Anthracite Coal
Anthracite
Chert (Nodule)
Silicon Dioxide (SiO2)
Yellow Quartzite (River Pebble)
Quartzite (primarily Silicon Dioxide, SiO2)
Kyanite (Green and Blue varieties)
Kyanite (Al2SiO5)
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
Chert (and Flint variant)
Microcrystalline Quartz (SiO2)
Corundum (Sapphire and Ruby)
Aluminum Oxide (Al2O3)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartzite
Quartzite (primarily SiO2)
Orange Calcite
Calcite (Calcium Carbonate - CaCO3)
Green Calcite
Calcium Carbonate (CaCO3)
Diamond (set in Gold)
Carbon (C)
Diamond (in Jewelry Setting)
Carbon (C) - Isometric-Hexoctahedral
Chert (Jasper variety)
Microcrystalline quartz (SiO2)
Basalt
Extrusive Igneous Basalt (contains Plagioclase Feldspar and Pyroxene)
Sodalite (blue beads) and Clear Quartz (clear beads)
Sodalite: Na4Al3Si3O12Cl; Quartz: SiO2
Ruby (Corundum)
Corundum (Aluminum Oxide with Chromium), Al2O3:Cr
Opalite
Synthetic Glass (typically Silica/Magnesium based with metal additives)
Agate
Agate (a cryptocrystalline variety of Quartz, SiO₂)
Diamond
C (Native Carbon)
Diamond (Cut Specimen)
Carbon (C)
Quartzite
Quartzite (primarily composed of SiO O₂)
Banded Iron Formation (BIF) / Tiger Iron variety
Banded Iron Formation (composed primarily of Magnetite Fe3O4, Hematite Fe2O3, and Chert/Quartz SiO2)
Rose Quartz
Quartz (SiO2) with trace impurities causing pink color
Diamond
Diamond (pure Carbon, C)
Diamond (or synthetic simulant)
Cubic C (Carbon)
Native Copper
Native Copper (Cu)
Sapphire
Corundum (Al2O3)