Gold-bearing Quartz
Lode Gold in Silicon Dioxide (SiO2)
Category
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Gold-bearing Quartz
Lode Gold in Silicon Dioxide (SiO2)
Vesicular Basalt
Aphanitic Mafic Igneous Rock (with Vesicular Texture)
Pumice
Pumice (volcanic glass formed of highly vesicular rough textured rock)
Pumice
Vesicular volcanic glass (primarily SiO2)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Native Copper
Native Copper (Cu)
Pumice
Pumicite (Volcanic glass with vesicular texture)
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
Orange Calcite
Calcium Carbonate (CaCO3)
Talc
Talc (Mg₃Si₄O₁₀(OH)₂)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Aragonite (variety 'Flos Ferri')
Aragonite (CaCO3)
Chert (often called Flint or Jasper)
Silicon Dioxide (SiO2)
Epithermal Gold Ore (in Quartz/Rhyolite matrix)
Auriferous Quartz (Au + SiO2)
Diamond
Diamond (pure Carbon, C)
Magnetite (in matrix)
Magnetite (Fe3O4)
Blue Quartzite (River Pebble)
Quartzite (primarily SiO2 with Dumortierite or Crocidolite inclusions)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Diamond
Diamond (C)
Red Shale
Lutite (primarily composed of Hydrous Aluminum Silicates with Hematite staining)
Chert (specifically Flint or Jasper variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Diabase (Greenstone)
Diabase (also known as Dolerite)
Quartz (likely Herkimer Diamond style)
Silicon Dioxide (SiO2)
Aquamarine (Beryl)
Beryllium aluminum silicate (Be3Al2Si6O18)
Diabase (Dolerite) Cobble
Diabase / Dolerite
Granitic Pegmatite with Tourmaline
Granite (Feldspar/Quartz matrix) with Schorl (NaFe2+3Al6Si6O18(BO3)3(OH)3OH)
Pumice
Pumiceous rhyolite
Kyanite
Kyanite (Al2SiO5)
Blue Kyanite
Kyanite (Al2SiO5)
Garnet-Mica Schist
Schist (variety with Almandine Garnet, Fe3Al2(SiO4)3)
Diamond (or Cubic Zirconia)
Carbon (C) / Cubic Zirconium Dioxide (ZrO2)
Basalt
Basalt (composition predominately plagioclase feldspar and pyroxene)
N/A - Image does not contain a rock or mineral
Anthropogenic textile material
Marble
Recrystallized Limestone (CaCO3)
Included Quartz Beads (likely Phantom Quartz or Garden Quartz)
Quartz (SiO2) with various mineral inclusions
Granitic Pegmatite with Biotite
Pegmatitic Granite (contains KAlSi3O8, SiO2, K(Mg,Fe)3AlSi3O10(OH)2)
Blue Aragonite
Aragonite (Calcium Carbonate, CaCO3)
White Marble
Recrystallized Calcite (CaCO3)
Green Banded Chert (Agate/Jasper)
Silicon Dioxide (SiO2) with trace impurities of Chlorite or Glauconite
Iron-stained Quartz (with Limonite/Hematite)
Silicon Dioxide (SiO2) with Iron Oxide inclusions (FeO(OH) or Fe2O3)
Pyrite
Pyrite (FeS2)
White Howlite
Howlite (Calcium borosilicate hydroxide, Ca2B5SiO9(OH)5)