Rock Identifier

Category

Mineral (Iron Ore)

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

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

Amethyst Quartz

Amethyst (SiO2 with Iron impurities)

Tiger's Eye (Pseudomorph of Macrocrystalline Quartz after Crocidolite (SiO2)) — mineral

Tiger's Eye

Pseudomorph of Macrocrystalline Quartz after Crocidolite (SiO2)

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

Yellow Quartz / Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz / Quartz Pebble

Silicon Dioxide (SiO2)

Jasper Shard / Chert (Silicon dioxide (SiO2)) — sedimentary

Jasper Shard / Chert

Silicon dioxide (SiO2)

Red Siltstone (or Red Shale) (Clastic Sedimentary Rock (Composition: primarily Quartz, Clay minerals, and Hematite Fe2O3)) — sedimentary

Red Siltstone (or Red Shale)

Clastic Sedimentary Rock (Composition: primarily Quartz, Clay minerals, and Hematite Fe2O3)

Quartz Pebble (Silicon dioxide (SiO2)) — mineral

Quartz Pebble

Silicon dioxide (SiO2)

Tiger's Eye (specifically Blue/Golden mixed or Hawk's Eye) (Pseudomorph of Quartz after Crocidolite (SiO2)) — metamorphic

Tiger's Eye (specifically Blue/Golden mixed or Hawk's Eye)

Pseudomorph of Quartz after Crocidolite (SiO2)

Quartzite with Hematite staining (Quartzite (SiO2) with iron oxide inclusions) — metamorphic

Quartzite with Hematite staining

Quartzite (SiO2) with iron oxide inclusions

Yellow Jasper (Microcrystalline Quartz with Iron Oxide (SiO2)) — sedimentary

Yellow Jasper

Microcrystalline Quartz with Iron Oxide (SiO2)

Red Sandstone (Arenite (primarily Quartz, SiO2, with Iron Oxide/Hematite)) — sedimentary

Red Sandstone

Arenite (primarily Quartz, SiO2, with Iron Oxide/Hematite)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Granite (Weathered/Oxidized) (Phaneritic Felsic Igneous Rock (composed of Quartz, Orthoclase Feldspar, and Mica)) — igneous

Granite (Weathered/Oxidized)

Phaneritic Felsic Igneous Rock (composed of Quartz, Orthoclase Feldspar, and Mica)

Himalayan Salt (Halite (mineral name), chemical formula NaCl (sodium chloride). Generally, 'Himalayan Salt' is a trade name for evaporite minerals from specific regions.) — Mineral

Himalayan Salt

Halite (mineral name), chemical formula NaCl (sodium chloride). Generally, 'Himalayan Salt' is a trade name for evaporite minerals from specific regions.

Sandstone (Banded) (Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide staining)) — sedimentary

Sandstone (Banded)

Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide staining)

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

Carnelian (Chalcedony)

Silicon Dioxide (SiO2)

Moss Agate (Silicon Dioxide with inclusions (SiO2 + Mn/Fe oxides)) — mineral

Moss Agate

Silicon Dioxide with inclusions (SiO2 + Mn/Fe oxides)

Drupa Quartz (Sparkly Drusy Quartz on Matrix) (Crystalline Silicon Dioxide (SiO2) on host rock) — mineral

Drupa Quartz (Sparkly Drusy Quartz on Matrix)

Crystalline Silicon Dioxide (SiO2) on host rock

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

Carnelian

Carnelian (Silicon Dioxide - SiO2)

Carnelian (Carnelian (Silicon Dioxide: SiO2 with Iron Oxide impurities)) — mineral

Carnelian

Carnelian (Silicon Dioxide: SiO2 with Iron Oxide impurities)

Rose Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Rose Quartz

Quartz (Silicon Dioxide, SiO2)

Aquamarine (Pale variety) (Beryl (Be3Al2Si6O18)) — mineral

Aquamarine (Pale variety)

Beryl (Be3Al2Si6O18)

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

Carnelian Agate

Carnelian (Silicon Dioxide - SiO2)

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

Carnelian

SiO2 (Silicon Dioxide) - Carnelian variety of Chalcedony

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

Amethyst

Amethyst (Silicon Dioxide, SiO2 with Iron impurities)

Red Tiger's Eye (SiO2 (Silicon Dioxide with iron inclusions)) — mineral

Red Tiger's Eye

SiO2 (Silicon Dioxide with iron inclusions)

Chert (Iron-stained) (Chert (primarily Microcrystalline Quartz, SiO2)) — sedimentary

Chert (Iron-stained)

Chert (primarily Microcrystalline Quartz, SiO2)

Red Sandstone (Arenite (ferruginous sandstone)) — sedimentary

Red Sandstone

Arenite (ferruginous sandstone)

Amethyst (Tumbled) (Amethyst (Silicon Dioxide, SiO2 + Fe4+)) — mineral

Amethyst (Tumbled)

Amethyst (Silicon Dioxide, SiO2 + Fe4+)

Yellow Quartz (Citrine or Iron-Stained Quartz) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine or Iron-Stained Quartz)

Silicon Dioxide (SiO2)

Rose Quartz (SiO2 (Silicon Dioxide)) — mineral

Rose Quartz

SiO2 (Silicon Dioxide)

Golden Healer Quartz (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Golden Healer Quartz

Silicon Dioxide (SiO2) with iron oxide inclusions

Carnelian (Red Chalcedony) (Silicon Dioxide (SiO2) with iron oxide impurities) — mineral

Carnelian (Red Chalcedony)

Silicon Dioxide (SiO2) with iron oxide impurities

Rose Quartz (Silicon dioxide (SiO2)) — mineral

Rose Quartz

Silicon dioxide (SiO2)

Red Quartz (Druzy) (Silicon Dioxide (SiO2) with Hematite inclusions) — mineral

Red Quartz (Druzy)

Silicon Dioxide (SiO2) with Hematite inclusions

Carnelian Agate (Silicon Dioxide (SiO2) with Iron Oxide impurities) — mineral

Carnelian Agate

Silicon Dioxide (SiO2) with Iron Oxide impurities

Amethyst (Amethyst (Silicon Dioxide containing trace Iron impurities, SiO2)) — mineral

Amethyst

Amethyst (Silicon Dioxide containing trace Iron impurities, SiO2)

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

Amethyst (Tumbled)

Amethyst (Silicon Dioxide with Iron impurities) - SiO2

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

Yellow Quartz (Citrine Quartzite)

Silicon Dioxide (SiO2)

Carnelian (Chalcedony (SiO2)) — mineral

Carnelian

Chalcedony (SiO2)

Jasper with Quartz (Silicon Dioxide (SiO2) - Chalcedony variety) — mineral

Jasper with Quartz

Silicon Dioxide (SiO2) - Chalcedony variety

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)