Rock Identifier

Category

Mineral, Part Of A Rock

Browse mineral, part of a rock specimens identified by the Rock Identifier community.

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

igneous
Quartzite (Quartzite (Primary mineral: SiO2)) — metamorphic

Quartzite

Quartzite (Primary mineral: SiO2)

metamorphic
Granite (Phaneritic Plutonic Felsic Rock) — igneous

Granite

Phaneritic Plutonic Felsic Rock

igneous
Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

mineral
Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

igneous
N/A (The provided image is a storyboard/digital document) — N/A

N/A (The provided image is a storyboard/digital document)

N/A
Ferruginous Sandstone (Sandstone with Iron Oxide (Limonite/Goethite)) — sedimentary

Ferruginous Sandstone

Sandstone with Iron Oxide (Limonite/Goethite)

sedimentary
Quartzite with inclusions (Metamorphosed Quartz-rich Rock (SiO2)) — metamorphic

Quartzite with inclusions

Metamorphosed Quartz-rich Rock (SiO2)

metamorphic
Biotite (Mica) (K(Mg,Fe)3AlSi3O10(OH,F)2) — mineral

Biotite (Mica)

K(Mg,Fe)3AlSi3O10(OH,F)2

mineral
Hag Stone (Calcareous sedimentary rock (often Chert, Flint, or Limestone)) — sedimentary

Hag Stone

Calcareous sedimentary rock (often Chert, Flint, or Limestone)

sedimentary
Basalt (Crushed Roadstone) (Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)) — igneous

Basalt (Crushed Roadstone)

Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)

igneous
Yellow Quartzite (Beach Pebble) (Quartzite (primarily SiO2)) — metamorphic

Yellow Quartzite (Beach Pebble)

Quartzite (primarily SiO2)

metamorphic
Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

igneous
Red Sandstone (Hematitic) (Clastic sedimentary rock (SiO2 with Fe2O3 inclusions)) — sedimentary

Red Sandstone (Hematitic)

Clastic sedimentary rock (SiO2 with Fe2O3 inclusions)

sedimentary
Rugose Coral (Horn Coral) (Order Rugosa (extinct fossilized coral)) — sedimentary

Rugose Coral (Horn Coral)

Order Rugosa (extinct fossilized coral)

sedimentary
Pink Quartz / Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Pink Quartz / Rose Quartz

Silicon Dioxide (SiO2)

mineral
Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

sedimentary
Granite (Phaneritic Plutonic Igneous Rock) — igneous

Granite

Phaneritic Plutonic Igneous Rock

igneous
Quartz pebble (Quartztite fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz pebble (Quartztite fragment)

Silicon Dioxide (SiO2)

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

Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Basalt with Quartz/Calcite Veins (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt with Quartz/Calcite Veins

Basalt (Aphanitic Mafic Igneous Rock)

igneous
Sandstone Beach Pebble (Clastic Sandstone (SiO2 - Quartz-dominant)) — sedimentary

Sandstone Beach Pebble

Clastic Sandstone (SiO2 - Quartz-dominant)

sedimentary
Granite (Phaneritic plutonic rock (Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Phaneritic plutonic rock (Quartz, Alkali Feldspar, and Plagioclase)

igneous
Chalcedony (Agate) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate)

Silicon Dioxide (SiO2)

mineral
Belemnoit (Fossil) (Belemnoidea (Order), Rostrum / Guard) — sedimentary

Belemnoit (Fossil)

Belemnoidea (Order), Rostrum / Guard

sedimentary
Labradorite ((Ca, Na)(Al, Si)4O8) — mineral

Labradorite

(Ca, Na)(Al, Si)4O8

mineral
Quartzite River Rock (Quartzite (SiO2)) — metamorphic

Quartzite River Rock

Quartzite (SiO2)

metamorphic
Fossilized Shark Tooth (Fragment) (Elasmobranchii fossil (likely Cretalamna or Squalicorax genus)) — sedimentary

Fossilized Shark Tooth (Fragment)

Elasmobranchii fossil (likely Cretalamna or Squalicorax genus)

sedimentary
Granite (Phaneritic plutonic rock (Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Phaneritic plutonic rock (Quartz, Alkali Feldspar, and Plagioclase)

igneous
Granite (Granite (Phaneritic Igneous Rock)) — igneous

Granite

Granite (Phaneritic Igneous Rock)

igneous
Fossilized Bone Fragment (Permineralized Vertebrate Bone (Hydrox yapatite replaced by Silica or Calcite)) — sedimentary

Fossilized Bone Fragment

Permineralized Vertebrate Bone (Hydrox yapatite replaced by Silica or Calcite)

sedimentary
Granite Pebble (Felsic intrusive igneous rock) — igneous

Granite Pebble

Felsic intrusive igneous rock

igneous
Hypersthene (Hypersthene ((Mg,Fe)SiO₃)) — Mineral

Hypersthene

Hypersthene ((Mg,Fe)SiO₃)

Mineral
Unidentifiable Rock Fragment — Uncertain

Unidentifiable Rock Fragment

Uncertain
Milky Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Milky Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Granite (Phaneritic Igneous Rock) (Granite) — igneous

Granite (Phaneritic Igneous Rock)

Granite

igneous
Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

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

Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Granite (Phaneritic plutonic rock (Quartz, Feldspar, Mica)) — igneous

Granite

Phaneritic plutonic rock (Quartz, Feldspar, Mica)

igneous
Ferruginous Sandstone (with Iron Oxide staining) (Clastic Sedimentary Rock - Quartz Arenite/Wacke) — sedimentary

Ferruginous Sandstone (with Iron Oxide staining)

Clastic Sedimentary Rock - Quartz Arenite/Wacke

sedimentary
Granite Pebble (Weathered) (Phaneritic Felsic Igneous Rock) — igneous

Granite Pebble (Weathered)

Phaneritic Felsic Igneous Rock

igneous
Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

metamorphic