Sunkissed Quartz or Hematoid Quartz
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
Category
Browse mineral like byproduct (often mistaken for igneous rock or meteorite) specimens identified by the Rock Identifier community.
Sunkissed Quartz or Hematoid Quartz
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
Diorite (Spotted or Dalmatian Stone effect)
Diorite (Intermediate Plutonic Rock)
Dalmatian Stone (often misnamed Dalmatian Jasper)
Aplite (with hornblende/arfvedsonite inclusions)
Quartz / Calcite Vein Rock
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)
Epidote-bearing Granite (Unakite-like)
Epidotized Granite
Amygdaloidal Basalt
Amygdaloidal Basalt (containing secondary minerals like Quartz, Zeolites, or Calcite)
Basalt with Epidote (Greenstone)
Amygdaloidal Basalt (Ca2(Al, Fe)3(SiO4)3(OH) inclusions)
Gneiss
High-grade regional metamorphic rock (Foliated)
Granite
Granite (a plutonic rock)
Gneiss
Gneiss
Fluorite with Quartz coating
Calcium Fluoride (CaF2) with Silicon Dioxide (SiO2)
Porphyritic Basalt (Chinese Flower Stone / Chrysanthemum Stone basalt variety)
Porphyritic Basalt containing Plagioclase Feldspar phenocrysts
Quartz (Milky/Common)
Quartz (Silicon Dioxide, SiO2)
Greenstone
Greenschist / Greenstone (containing Chlorite, Epidote, Actinolite)
Porphyritic Basalt (Amygdaloidal)
Porphyritic Mafic Volcanic Rock (Amygdaloidal Basalt)
Amygdaloidal Rhyolite
Rhyolite (felsic volcanic rock) with amygdules
Quartzite
Quartzite (primarily SiO2)
Peacock Ore (Bornite or Chalcopyrite treated with acid)
Bornite (Cu5FeS4) or Acid-washed Chalcopyrite (CuFeS2)
Granite
Granite (Felsic Plutonic Rock)
Iron-stained Milky Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Magnetite (potentially as a Lodestone or within Ironstone)
Magnetite (Fe3O4)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) in Rhyolitic Matrix
Peridot
Olivine (Mg, Fe)₂SiO₄
Granite
Phaneritic Felsic Igneous Rock
Obsidian
Amorphous volcanic glass (primarily SiO2)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Basalt
Basalt (Mafic volcanic rock)
Granodiorite
Granodiorite (containing Quartz, Plagioclase, Orthoclase, Biotite/Hornblende)
Dragon Vein Agate
Chalcedony (Quartz) - SiO2
Smoky Quartz
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Peridot
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
Gneiss
Gneiss (High-grade regional metamorphic rock)
Kimberlite
Kimberlite (Potassic ultramafic volcanic rock)
Quartz (likely Rose Quartz or Milky Quartz based on color)
Quartz (SiO2 - Silicon Dioxide)
Granite
Granite (Felsic Plutonic Rock)
Gold Ore in Matrix
Native Gold (Au) in Quartz/Limonite host rock
Scoria (Lava Rock)
Vesicular Basalt / Scoria
Banded Gneiss
Gneiss (Metamorphic high-grade rock)
Greenschist (Greenstone)
Greenschist (Metamorphic rock containing chlorite, actinolite, and epidote)
Dalmation Stone (often called Dalmatian Jasper)
Peralkaline Rock (Microgranite/Aplite), SiO2 with inclusions of Arfvedsonite