Copper Ore (with Malachite and Azurite)
Hydroxide copper carbonate (Cu2CO3(OH)2 / Cu3(CO3)2(OH)2)
mineral
Category
Sedimentary (Primary) With Artificial Modification
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
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Amethyst and Limestone
Amethyst (SiO2 - Silicon Dioxide) and Limestone (CaCO3 - Calcium Carbonate)
The purple specimen is a mineral (Amethyst); the white specimen is a sedimentary rock (Limestone or Marble).
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Tumbled Agate and Chalcedony
Cryptocrystalline Quartz (SiO2)
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Ruby (in jewelry)
Corundum (Al2O3 with Chromium traces)
mineral
Limonite (Gossan)
FeO(OH)·nH2O (Hydrated Iron Oxide)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Granite
Phaneritic Felsic Intrusive Rock
igneous
Eudialyte
Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
mineral
Chalcopyrite
Chalcopyrite (CuFeS2)
mineral
Gold (Processed)
Gold (Au)
Metal (Elemental Mineral)
Ocean Jasper
Silicon Dioxide (SiO2) with various inclusions
igneous/sedimentary mixed (Orbicular Jasper)
Quartz
Quartz (Silicon Dioxide - SiO2)
Mineral
Amethyst
Amethyst (Silicon Dioxide with iron impurities), SiO2
mineral
Lepidolite in Pegmatite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lepidolite)
metamorphic
Coral Fossil
Anthozoa (Scleractinia)
fossil
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Granitic Pegmatite
Granitic Pegmatite (primarily SiO2 with KAlSi3O8)
igneous
Granite
Granite (Phaneritic Igneous Rock)
igneous
Limonite and Goethite on Gossan
FeO(OH)·nH2O
mineral
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Diabase (Greenstone)
Diabase (also known as Dolerite)
igneous
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Diabase
Diabase (also known as Dolerite)
igneous
Basalt Scoria
Vesicular Basalt
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Common Grains)
Silicon Dioxide (SiO2)
mineral
Granite
Phaneritic intrusive igneous rock (Quartz, Feldspar, Mica)
igneous
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic volcanic rock including secondary mineral infills)
Igneous
Quartz (Crystal)
Silicon Dioxide (SiO2)
mineral
Olivine (Peridotite/Dunite)
Olivine (Mg,Fe)2SiO4 within Peridotite
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Basalt
Basalt
igneous
Hematite (beads)
Hematite (Fe₂O₃)
Mineral
Diamond
Carbon (C)
mineral
Gold Nugget
Native Gold (Au)
mineral
Native Copper (in coinage alloy)
Copper (Cu)
mineral