Rock Identifier

Category

Sedimentary Or Igneous Fragment

Browse sedimentary or igneous fragment specimens identified by the Rock Identifier community.

Banded Gneiss (Gneiss (High-grade regional metamorphic rock)) — metamorphic

Banded Gneiss

Gneiss (High-grade regional metamorphic rock)

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Pyrite (on Quartz/Host Rock) (Iron Sulfide (FeS₂)) — mineral

Pyrite (on Quartz/Host Rock)

Iron Sulfide (FeS₂)

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

Yellow Quartz (Citrine or Yellow Chalcedony)

Silicon Dioxide (SiO2)

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

Carnelian (Orange Chalcedony)

Silicon Dioxide (SiO2)

Hematite (Iron(III) oxide (Fe2O3)) — Mineral

Hematite

Iron(III) oxide (Fe2O3)

Gneiss (River Cobble) (Gneiss (Foliated Metamorphic Rock)) — metamorphic

Gneiss (River Cobble)

Gneiss (Foliated Metamorphic Rock)

Banded Agate (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Banded Agate

Chalcedony (Silicon Dioxide, SiO2)

Yellow Calcite (Calcite (Calcium Carbonate, CaCO3)) — mineral

Yellow Calcite

Calcite (Calcium Carbonate, CaCO3)

Gneiss (Gneiss (Metamorphic high-grade)) — metamorphic

Gneiss

Gneiss (Metamorphic high-grade)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO₂)) — Mineral

Quartz

Silicon Dioxide (SiO₂)

Basalt and Quartz Pebble (Basalt (Igneous) and Quartzite/Quartz (SiO2) pebble) — igneous and sedimentary

Basalt and Quartz Pebble

Basalt (Igneous) and Quartzite/Quartz (SiO2) pebble

igneous and sedimentary

Black Tourmaline (Schorl) (Schorl (Na(Fe^2+)3Al6(Si6O18)(BO3)3(OH)4)) — Mineral

Black Tourmaline (Schorl)

Schorl (Na(Fe^2+)3Al6(Si6O18)(BO3)3(OH)4)

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

Carnelian

Silicon Dioxide (SiO2) - variety of Chalcedony

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Milky Quartz (Quartz (Silica / Silicon Dioxide), SiO2) — mineral

Milky Quartz

Quartz (Silica / Silicon Dioxide), SiO2

Milky Quartz (Quartz (Silica / Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silica / Silicon Dioxide, SiO2)

Rainbow Hematite (Man-made/Treated) (Tumbled Hematite with Titanium/Anodized coating (Iron(III) oxide, Fe2O3)) — mineral

Rainbow Hematite (Man-made/Treated)

Tumbled Hematite with Titanium/Anodized coating (Iron(III) oxide, Fe2O3)

Gneiss (with Quartz-Feldspar vein) (Gneiss (high-grade metamorphic rock) containing Quartz (SiO2) and Feldspar (KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8)) — metamorphic

Gneiss (with Quartz-Feldspar vein)

Gneiss (high-grade metamorphic rock) containing Quartz (SiO2) and Feldspar (KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8)

Gneiss (Foliated Metamorphic Rock (Gneiss)) — metamorphic

Gneiss

Foliated Metamorphic Rock (Gneiss)

Banded Chalcedony (Agate) (Chalcedony (SiO2) - Cryptocrystalline Quartz) — mineral

Banded Chalcedony (Agate)

Chalcedony (SiO2) - Cryptocrystalline Quartz

Banded Gneiss (Gneiss (High-grade Regional Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Gneiss (Gneiss (High-grade Regional Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Green Fluorite (Fluorite (Calcium Fluoride - CaF2)) — mineral

Green Fluorite

Fluorite (Calcium Fluoride - CaF2)

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Hematite (Iron (III) Oxide (Fe2O3)) — mineral

Hematite

Iron (III) Oxide (Fe2O3)

Blue Lace Agate (Silicon Dioxide (SiO₂)) — sedimentary

Blue Lace Agate

Silicon Dioxide (SiO₂)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Mixed Gemstone Bracelet (Mixed natural minerals and rocks (e.g., Rhodonite, Malachite, Sodalite, Rose Quartz, Black Tourmaline, Quartz/Chalcedony variants)) — Mineral/Rock assemblage

Mixed Gemstone Bracelet

Mixed natural minerals and rocks (e.g., Rhodonite, Malachite, Sodalite, Rose Quartz, Black Tourmaline, Quartz/Chalcedony variants)

Mineral/Rock assemblage

Banded Gneiss (Gneiss (High-grade Regional Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Epidote-bearing Granite (Unakite-like) (Epidotized Granite) — igneous

Epidote-bearing Granite (Unakite-like)

Epidotized Granite

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Orange Calcite (Calcite (CaCO3)) — Mineral

Orange Calcite

Calcite (CaCO3)

Milky Quartz (Silicon dioxide (SiO2)) — mineral

Milky Quartz

Silicon dioxide (SiO2)

Carnelian (Carnelian (Cryptocrystalline Quartz, SiO2)) — mineral

Carnelian

Carnelian (Cryptocrystalline Quartz, SiO2)

Banded Gneiss (Gneiss (High-grade Regional Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)