Rock Identifier

Category

Mineral Side Rock

Browse mineral side rock specimens identified by the Rock Identifier community.

Learn about Mineral Side Rock in the encyclopedia

Rock Salt

Calc-Silicate Rock

Calc-Silicate Rock

Siderite

Halite

Dolomite

Gypsum

Coal

Claystone

Serpentinite

Carbonatite

Skarn

Schist

Emerald (Rough) (Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)) — gemstone

Emerald (Rough)

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)

Emerald (Beryl (Be3Al2(SiO3)6) with trace Chromium/Vanadium) — mineral

Emerald

Beryl (Be3Al2(SiO3)6) with trace Chromium/Vanadium

Raw quartz crystal cluster (Quartz (silicon dioxide, SiO₂), likely included or iron-stained quartz) — mineral

Raw quartz crystal cluster

Quartz (silicon dioxide, SiO₂), likely included or iron-stained quartz

Amethyst (Amethyst (SiO2 - Silicon Dioxide with Iron impurities)) — mineral

Amethyst

Amethyst (SiO2 - Silicon Dioxide with Iron impurities)

Small quartz crystal cluster (likely druzy quartz) (Quartz, silicon dioxide (SiO₂)) — mineral

Small quartz crystal cluster (likely druzy quartz)

Quartz, silicon dioxide (SiO₂)

Quartz crystal (likely citrine or iron-stained quartz) (Quartz, silicon dioxide (SiO₂)) — mineral

Quartz crystal (likely citrine or iron-stained quartz)

Quartz, silicon dioxide (SiO₂)

Citrine-bearing quartz cluster (Quartz, silicon dioxide (SiO₂), with iron-related yellow coloration) — mineral

Citrine-bearing quartz cluster

Quartz, silicon dioxide (SiO₂), with iron-related yellow coloration

Garnet (Nesosilicate group (e.g., Almandine: Fe3Al2(SiO4)3)) — mineral

Garnet

Nesosilicate group (e.g., Almandine: Fe3Al2(SiO4)3)

Red Garnet (likely Almandine or Pyrope) (Garnet group: X3Y2(SiO4)3 (e.g., Almandine: Fe3Al2Si3O12)) — mineral

Red Garnet (likely Almandine or Pyrope)

Garnet group: X3Y2(SiO4)3 (e.g., Almandine: Fe3Al2Si3O12)

Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Blue Sapphire (likely costume glass imitation) (Corundum (Al2O3) with iron/titanium impurities) — mineral

Blue Sapphire (likely costume glass imitation)

Corundum (Al2O3) with iron/titanium impurities

Clear quartz crystal (likely tumbled or naturally worn) (Quartz, silicon dioxide (SiO₂)) — mineral

Clear quartz crystal (likely tumbled or naturally worn)

Quartz, silicon dioxide (SiO₂)

Fossilized Shark Tooth (Drum Fish Tooth/Pavement Tooth) (Sparidae or Sciaenidae (Crushing plate dental fossil)) — fossil

Fossilized Shark Tooth (Drum Fish Tooth/Pavement Tooth)

Sparidae or Sciaenidae (Crushing plate dental fossil)

Amethyst (Amethyst (Silicon Dioxide with iron impurities, SiO2)) — mineral

Amethyst

Amethyst (Silicon Dioxide with iron impurities, SiO2)

Amethyst (Silicon dioxide (SiO2)) — mineral

Amethyst

Silicon dioxide (SiO2)

Almandine Garnet (weathered) (Almandine (Fe3Al2(SiO4)3)) — mineral

Almandine Garnet (weathered)

Almandine (Fe3Al2(SiO4)3)

Garnet (Almandine) (Almandine (Fe3Al2(SiO4)3)) — Mineral

Garnet (Almandine)

Almandine (Fe3Al2(SiO4)3)

Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Amethyst (Quartz variety) (Amethyst [Silicon Dioxide (SiO2)]) — mineral

Amethyst (Quartz variety)

Amethyst [Silicon Dioxide (SiO2)]

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Clear quartz crystal (Quartz (silicon dioxide, SiO₂)) — mineral

Clear quartz crystal

Quartz (silicon dioxide, SiO₂)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Fossilized Blastoid (Pentremites (Class Blastoidea)) — sedimentary

Fossilized Blastoid

Pentremites (Class Blastoidea)

Raw quartz crystal (likely citrine or iron-stained quartz) (Quartz, silicon dioxide (SiO₂)) — mineral

Raw quartz crystal (likely citrine or iron-stained quartz)

Quartz, silicon dioxide (SiO₂)

Amethyst Quartz (SiO2 (Silicon Dioxide with Iron impurities)) — mineral

Amethyst Quartz

SiO2 (Silicon Dioxide with Iron impurities)

Sand Tiger Shark Tooth (Carcharias taurus (fossilized)) — fossil

Sand Tiger Shark Tooth

Carcharias taurus (fossilized)

Garnet (Garnet group (X3Y2(SiO4)3)) — mineral

Garnet

Garnet group (X3Y2(SiO4)3)

Almandine Garnet & Tumbled Citrine Quartz (Fe3Al2(SiO4)3 (Garnet) and SiO2 (Quartz)) — mineral

Almandine Garnet & Tumbled Citrine Quartz

Fe3Al2(SiO4)3 (Garnet) and SiO2 (Quartz)

Clear Quartz Crystal Cluster (Silicon Dioxide (SiO2)) — mineral

Clear Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Amethyst Agate (Polished Point) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst Agate (Polished Point)

Silicon Dioxide (SiO2) with iron impurities

Petoskey Stone (Fossilized Coral) (Hexagonaria percarinata) — fossil

Petoskey Stone (Fossilized Coral)

Hexagonaria percarinata

Clear Quartz (Quartz (Silicon Dioxide - SiO2)) — mineral

Clear Quartz

Quartz (Silicon Dioxide - SiO2)

Nephrite Jade (Nephrite) — Mineral/Rock

Nephrite Jade

Nephrite

Golden Healer Quartz (Iron-Stained Quartz) (Silicon Dioxide (SiO2) with Iron Oxide/Hydroxide inclusions) — mineral

Golden Healer Quartz (Iron-Stained Quartz)

Silicon Dioxide (SiO2) with Iron Oxide/Hydroxide inclusions

Almandine Garnet (Almandine (Fe3Al2(SiO4)3)) — mineral

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

Petoskey Stone (Hexagonaria percarinata (Fossilized Rugose Coral)) — sedimentary

Petoskey Stone

Hexagonaria percarinata (Fossilized Rugose Coral)

Amethyst cluster (Quartz, silicon dioxide (SiO₂), purple variety colored mainly by iron impurities and irradiation) — gemstone

Amethyst cluster

Quartz, silicon dioxide (SiO₂), purple variety colored mainly by iron impurities and irradiation

Schorl (Black Tourmaline) (Sodium iron aluminum borosilicate (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Schorl (Black Tourmaline)

Sodium iron aluminum borosilicate (NaFe3Al6(BO3)3Si6O18(OH)4)

Green Tourmaline (Verdelite) (Elbaite (Complex Borosilicate: Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)) — mineral

Green Tourmaline (Verdelite)

Elbaite (Complex Borosilicate: Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)

Aragonite Star Cluster (Aragonite (Calcium Carbonate - CaCO3)) — mineral

Aragonite Star Cluster

Aragonite (Calcium Carbonate - CaCO3)

Green Apophyllite on Stilbite (Fluorapophyllite-(K) [(KCa4Si8O20F)·8H2O] and Stilbite [NaCa4(Si27Al9)O72·28H2O]) — mineral

Green Apophyllite on Stilbite

Fluorapophyllite-(K) [(KCa4Si8O20F)·8H2O] and Stilbite [NaCa4(Si27Al9)O72·28H2O]