Rock Identifier

Category

Mineral (Iron Ore)

Browse mineral (iron ore) specimens identified by the Rock Identifier community.

Amethyst (Faceted) (Quartz (SiO2) with iron impurities) — Mineral

Amethyst (Faceted)

Quartz (SiO2) with iron impurities

Aquamarine (Beryl (Be3Al2Si6O18 with iron impurities)) — mineral

Aquamarine

Beryl (Be3Al2Si6O18 with iron impurities)

Basalt with Epidote Veining (Basalt (Mafic Extrusive Rock) with Ca2(Al,Fe)3(SiO4)3(OH)) — igneous

Basalt with Epidote Veining

Basalt (Mafic Extrusive Rock) with Ca2(Al,Fe)3(SiO4)3(OH)

Rough Corundum (likely Sapphire or Common Corundum) (Aluminum oxide (Al2O3)) — mineral

Rough Corundum (likely Sapphire or Common Corundum)

Aluminum oxide (Al2O3)

Quartz Geode (partially opened) (Silicon Dioxide (SiO2) with iron staining) — mineral

Quartz Geode (partially opened)

Silicon Dioxide (SiO2) with iron staining

Quartz Druzy Geode Fragment (Silicon Dioxide (SiO2)) — mineral

Quartz Druzy Geode Fragment

Silicon Dioxide (SiO2)

Chert (variously known as Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (variously known as Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

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

Amethyst

Amethyst (Silicon Dioxide - SiO2 with Iron impurities)

Fossilized Shark Tooth (Scapanorhynchus (Sand Tiger Shark relative)) — sedimentary

Fossilized Shark Tooth

Scapanorhynchus (Sand Tiger Shark relative)

Amethyst Sage Agate (Silicon Dioxide (SiO2) with trace minerals (Manganese/Iron oxides)) — mineral

Amethyst Sage Agate

Silicon Dioxide (SiO2) with trace minerals (Manganese/Iron oxides)

White Marble (Recrystallized Calcite (CaCO3)) — metamorphic

White Marble

Recrystallized Calcite (CaCO3)

Sandstone (specifically Arkose or Ferruginous Sandstone) (Sandstone (SiO2 with iron oxide inclusions)) — sedimentary

Sandstone (specifically Arkose or Ferruginous Sandstone)

Sandstone (SiO2 with iron oxide inclusions)

Jasper (Silicon dioxide (SiO2) with iron impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with iron impurities

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Dendritic Agate (Chalcedony (SiO2) with manganese/iron oxide inclusions) — mineral

Dendritic Agate

Chalcedony (SiO2) with manganese/iron oxide inclusions

Citrine (Silicon Dioxide (SiO₂)) — mineral

Citrine

Silicon Dioxide (SiO₂)

Carnelian (Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Carnelian (Chalcedony)

Silicon Dioxide (SiO2)

Yellow Jasper (Silicon Dioxide (SiO2)) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2)

Turquoise (Turquoise (Hydrated phosphate of copper and aluminium) CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

Turquoise (Hydrated phosphate of copper and aluminium) CuAl6(PO4)4(OH)8·4H2O

Red Jasper with Quartz Veining (Jasper (Silicon Dioxide, SiO2) with Quartz (SiO2) inclusions) — sedimentary

Red Jasper with Quartz Veining

Jasper (Silicon Dioxide, SiO2) with Quartz (SiO2) inclusions

Quartzite Pebble (with Iron Staining) (Quartzite (SiO2)) — metamorphic

Quartzite Pebble (with Iron Staining)

Quartzite (SiO2)

Turquoise (Blue Howlite / Magnesite imitation) (CuAl6(PO4)4(OH)8·4H2O (for natural Turquoise); Ca2B5SiO9(OH)5 (for Howlite)) — mineral

Turquoise (Blue Howlite / Magnesite imitation)

CuAl6(PO4)4(OH)8·4H2O (for natural Turquoise); Ca2B5SiO9(OH)5 (for Howlite)

Amygdaloidal Basalt (Amygdaloidal Basalt (Mafic Volcanic Rock)) — Igneous

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic Volcanic Rock)

Red Jasper (Silicon Dioxide (SiO2) with Iron impurities) — mineral

Red Jasper

Silicon Dioxide (SiO2) with Iron impurities

Yellow Quartz (Citrine Quartz) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine Quartz)

Silicon Dioxide (SiO2)

Amethyst (Amethyst (Silicon Dioxide, SiO2)) — mineral

Amethyst

Amethyst (Silicon Dioxide, SiO2)

Rose Quartz (SiO2 (Silicon Dioxide)) — mineral

Rose Quartz

SiO2 (Silicon Dioxide)

Carnelian (Red Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Carnelian (Red Chalcedony)

Silicon Dioxide (SiO2)

Rose Quartz (SiO2 (Silicon Dioxide)) — mineral

Rose Quartz

SiO2 (Silicon Dioxide)

Carnelian (Carnelian (Silicon Dioxide - SiO2)) — mineral

Carnelian

Carnelian (Silicon Dioxide - SiO2)

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

Amethyst (Rough Quartz)

Silicon Dioxide (SiO2) with iron impurities

Carnelian (Orange Agate/Chalcedony) (Silicon Dioxide (SiO2) - variety of Chalcedony) — mineral

Carnelian (Orange Agate/Chalcedony)

Silicon Dioxide (SiO2) - variety of Chalcedony

Bloodstone (Heliotrope) (Silicon dioxide (SiO2) with Hematite inclusions) — mineral

Bloodstone (Heliotrope)

Silicon dioxide (SiO2) with Hematite inclusions

Carnelian (Carnelian (SiO2 with Iron Oxide impurities)) — mineral

Carnelian

Carnelian (SiO2 with Iron Oxide impurities)

Amethyst (Tumbled Stone) (Amethyst (Silicon Dioxide with Iron impurities, SiO2)) — mineral

Amethyst (Tumbled Stone)

Amethyst (Silicon Dioxide with Iron impurities, SiO2)

Dendritic Opal (Dendritic Common Opal (SiO2·nH2O with Manganese oxide inclusions)) — mineral

Dendritic Opal

Dendritic Common Opal (SiO2·nH2O with Manganese oxide inclusions)

Carnelian (a variety of Chalcedony) (Silicon Dioxide (SiO2) with Iron Oxide impurities) — mineral

Carnelian (a variety of Chalcedony)

Silicon Dioxide (SiO2) with Iron Oxide impurities

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Amethyst (Amethyst (Silicon Dioxide, SiO2)) — mineral

Amethyst

Amethyst (Silicon Dioxide, SiO2)

Carnelian (Carnelian Agate (SiO2)) — mineral

Carnelian

Carnelian Agate (SiO2)

Carnelian (Carnelian Agate) (Carnelian (Silicon Dioxide - SiO2)) — mineral

Carnelian (Carnelian Agate)

Carnelian (Silicon Dioxide - SiO2)

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

Amethyst

Silicon Dioxide with iron impurities (SiO2)