Tumbled rose quartz
Quartz, silicon dioxide (SiO₂), pink variety
mineral
Category
Mineral Like Industrial Smelting Waste
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Learn about Mineral Like Industrial Smelting Waste in the encyclopedia
View all →
Rough Diamond
Diamond (C)
mineral
Black Tourmaline in Quartz Matrix
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4) with Quartz (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Iron-stained Quartz (Gossan/Limonite-coated Quartz)
Silicon Dioxide (SiO2) with Hydrated Iron Oxides (FeO(OH)·nH2O)
mineral
Quartz (Iron-Stained Quartz Pebble)
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
mineral
Sandstone
Arenite
sedimentary
Schist
Crystalline Metamorphic Rock (Schistose)
metamorphic
Rainbow aura quartz cluster
Quartz, silicon dioxide (SiO₂), artificially coated with a thin metallic film
mineral
Iron-stained Quartz Vein
Silicon Dioxide (SiO2) with Limonite/Hematite inclusions
mineral
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Likely biotite mica
Biotite, a dark mica-group mineral; approximate formula K(Mg,Fe)₃AlSi₃O₁₀(F,OH)₂
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Chalcedony Geode Part (Agate/Quartz)
Silicon Dioxide (SiO2)
mineral
Garnet (likely Almandine)
Almandine (Fe3Al2(SiO4)3)
mineral
Desert Rose
Baryte or Gypsum (Selenite) with Sand Inclusions (BaSO4 or CaSO4·2H2O)
mineral
Marble (Carrara style)
Recrystallized Calcite-rich Metamorphic Rock (CaCO3)
metamorphic
Likely black obsidian
Volcanic glass; chiefly rhyolitic silica-rich melt (approximately 70–80% SiO₂)
igneous
Granitic Pegmatite
Granitic Pegmatite (principally Quartz, Feldspar, and Mica)
igneous
Mica-bearing granite or pegmatite fragment
Quartz–feldspar rock with mica, likely muscovite; exact identification requires testing
igneous
Ruby and Diamond Heart Pendant
Corundum (Al2O3) and Diamond (C)
mineral
Milky Quartz Mushroom Carving
Quartz (Silicon Dioxide, SiO2)
mineral
Botryoidal chalcedony (agate/geode fragment)
Chalcedony, microcrystalline SiO₂; likely quartz with minor iron-oxide and carbonate inclusions
mineral
Agate
Silicon dioxide (SiO2)
mineral
Garnet in Matrix (likely Almandine in Quartz/Mica Schist)
Almandine Garnet (Fe3Al2(SiO4)3) in Quartz-Feldspar host rock
metamorphic
Quartzite with inclusions
Metamorphic Rock (Mainly SiO2)
metamorphic
Amethyst crystal
Quartz, SiO₂; purple variety colored mainly by iron impurities and irradiation
mineral
Tumbled green feldspar (likely amazonite)
Microcline feldspar, KAlSi₃O₈ (amazonite variety)
mineral
Diamond
Carbon (C)
gemstone
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Pink Quartz
Silicon Dioxide (SiO2)
mineral
Smoky quartz crystal fragment
Quartz (silicon dioxide, SiO₂), likely smoky variety
mineral
Vanadinite
Vanadinite (Pb5(VO4)3Cl)
mineral
Diamond
Natural Diamond (Carbon, C)
mineral
Green Druzy Quartz (Prasiolite)
Silicon Dioxide (SiO2) with inclusions (typically Chlorite or Actinolite)
mineral
Schist
Mica Schist (Metamorphic Rock)
metamorphic
Sandstone (with biological crust)
Arenite (SiO2 based)
sedimentary
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
mineral
Bauxite
Alumina-rich rock (consisting of Gibbsite, Boehmite, and Diaspore)
sedimentary
Mica Schist
Metamorphic rock dominated by muscovite and/or biotite mica
metamorphic
Diamond in Kimberlite
Kimberlite host rock with C (Carbon) inclusion
igneous