Amber
Succinite (Fossilized Tree Resin, C10H16O)
mineral
Category
Mineral (Processed Metal)
Browse mineral (processed metal) specimens identified by the Rock Identifier community.
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Amber
Succinite (fossilized resin)
mineral
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Rhodonite, Gray Moonstone, and White Feldspar Mix
Multiple: MnSiO3 (Rhodonite), (K,Na)AlSi3O8 (Feldspar/Moonstone)
mineral
Red Jasper
Jasper (Silicon Dioxide, SiO2)
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
mineral
Jasper
Jasper (Silicon Dioxide, SiO2)
mineral
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral
Dyed Agate
Silicon Dioxide (SiO2) with artificial pigment
mineral
Green Aventurine
Quartz (Silicon Dioxide) with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
mineral
Black Onyx
Cryptocrystalline Quartz (SiO2)
mineral
Tree Agate
Dendritic Agate (Silicon Dioxide, SiO2 + Manganese/Iron oxides)
mineral
Schorl (Black Tourmaline) in Quartz Matrix
Schorl: NaFe3Al6(BO3)3Si6O18(OH)4 (Complex Borosilicate)
mineral
Clear Quartz Crystal Cluster
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Rough Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Ruby (Corundum)
Al2O3 (Aluminium oxide with Chromium impurities)
Mineral
Blue Lace Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Red Jasper
Silicon dioxide (SiO2) with iron oxide inclusions
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Smoky Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Sodalite
Na8(Al6Si6O24)Cl2 (Sodium Aluminum Silicate Chloride)
mineral
Magnetite / Hematite (Iron Ore Pebble)
Fe3O4 (Magnetite) / Fe2O3 (Hematite)
mineral
Dyed Blue Agate
Silicon dioxide (SiO2) with artificial pigment
mineral
Pebble / Rounded Rock
Lithic fragment / Water-worn rock
sedimentary
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Kambaba Jasper
Stromatolite / Fossilized Algae (Rhyolitic structure)
sedimentary
Milky Quartz Pebble
Silicon dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Petrified Wood
Silicified Wood (primarily SiO2)
fossil
Quartz Pebble
Silicon Dioxide (SiO2)
Mineral / Sedimentary
Banded Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Porphyritic Basalt or Porphyry
Porphyritic Igneous Rock
igneous
Quartz (Milky Quartz)
Quartz (SiO2 - Silicon Dioxide)
Mineral
Marble
Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)
metamorphic
Fossilized Coral (Petrified Coral)
Lithostrotionella (example genus) / Scleractinia
fossil
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (Lithic arenite / Quartz arenite)
sedimentary
Picasso Stone
Metamorphosed Calcium Carbonate (Limestone)
sedimentary