Blue sodalite (likely)
Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂
mineral
Category
Mineral Composite
Browse mineral composite specimens identified by the Rock Identifier community.
Learn about Mineral Composite in the encyclopedia
View all →
Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Amygdaloidal Basalt
Mafic extrusive igneous rock with secondary mineral infills
igneous
Granite
Granite, a coarse-grained felsic intrusive igneous rock composed mainly of quartz, feldspar, and mica
igneous
Polished granite or gneiss stone
Granite, chiefly quartz, feldspar, and dark mica/amphibole; exact identification is uncertain from the photograph
igneous
Fossilized Gastropod / Coral
Phylum Mollusca / Cnidaria (Silicified or Calcified)
fossil
Tumbled fossil shark tooth pendant
Likely fossilized shark tooth, possibly Otodus or Carcharhinus; exact species cannot be confirmed from the image
fossil
Sea Snail Shell (Top Shell)
Trochidae family (Calcium Carbonate, CaCO3)
mineral
Aquamarine with Muscovite
Beryllium Aluminum Silicate (Be3Al2Si6O18) with Muscovite Mica
mineral
Limonite
FeO(OH)·nH2O
mineral
Limonite
FeO(OH)·nH2O
mineral
Limonite
FeO(OH)•nH2O
mineral
Limonite
FeO(OH)·nH2O
mineral
Limonite
FeO(OH)•nH2O
mineral
Selentite
Gypsum (CaSO4 · 2H2O)
mineral
Limonite
FeO(OH)•nH2O
mineral
Granite
Granite (Felsic Plutonic Rock)
igneous
Quartz crystal cluster
Quartz (silicon dioxide, SiO₂), likely milky or druzy quartz
mineral
Hematite
Hematite (Fe2O3)
mineral
Gypsum
Calcium Sulfate Dihydrate (CaSO4·2H2O)
mineral
Lepidolite
K(Li,Al)3(Al,Si,3O10)(F,OH)2
mineral
Galena with Quartz
Lead sulfide (PbS) associated with Silicon dioxide (SiO2)
mineral
Sulfur
Native Sulfur (S)
mineral
K-Feldspar
Potassium Feldspar (KAlSi3O8)
mineral
Feldspar
Aluminosilicate (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)
mineral
Epidote
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
mineral
Kyanite
Al2SiO5
mineral
Halite
Sodium Chloride (NaCl)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Limonite
FeO(OH)·nH2O
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Gypsum
Gypsum (CaSO4·2H2O)
mineral
Feldspar
Aluminosilicate (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)
mineral
Quartz Crystal Cluster
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Muscovite
KAl2(AlSi3O10)(OH)2
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Limonite
FeO(OH)•nH2O
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Hematite
Hematite (Fe2O3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Agate with Quartz Crystals
Silicon dioxide (SiO2)
sedimentary