Rock Identifier

Category

Mineral Specimen

Browse mineral specimen specimens identified by the Rock Identifier community.

Learn about Mineral Specimen in the encyclopedia

Emerald in Matrix

Emerald in Matrix

Aquamarine Matrix

Aquamarine Matrix

Morganite Crystal

Morganite Crystal

Emerald Crystal

Emerald Crystal

Aquamarine Crystal

Aquamarine Crystal

Mushroom Tourmaline

Mushroom Tourmaline

Glauconite

Hutcheonite

Halite

Sperrylite

Baddeleyite

Anatase

Peridot (Olivine) (Magnesium Iron Silicate (Mg, Fe)2SiO4) — mineral

Peridot (Olivine)

Magnesium Iron Silicate (Mg, Fe)2SiO4

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Quartz Matrix with Iron Staining / Mica Schist (Silicon Dioxide (SiO2) with Iron Oxide staining) — mineral

Quartz Matrix with Iron Staining / Mica Schist

Silicon Dioxide (SiO2) with Iron Oxide staining

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz with Feldspar (Silicon Dioxide (SiO2) with Potassium Feldspar (KAlSi3O8)) — igneous

Quartz with Feldspar

Silicon Dioxide (SiO2) with Potassium Feldspar (KAlSi3O8)

Kidney Stone (Urolith) (Calculus renalis (Biogenic mineral aggregate)) — mineral

Kidney Stone (Urolith)

Calculus renalis (Biogenic mineral aggregate)

Chert (Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper)

Silicon Dioxide (SiO2)

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

Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Rose Quartz in Matrix (Silicon Dioxide (SiO2) with traces of Titanium, Iron, or Manganese) — mineral

Rose Quartz in Matrix

Silicon Dioxide (SiO2) with traces of Titanium, Iron, or Manganese

Blue Apatite (Fluorapatite / Apatite group (Ca5(PO4)3(F,Cl,OH))) — mineral

Blue Apatite

Fluorapatite / Apatite group (Ca5(PO4)3(F,Cl,OH))

Conglomerate / Breccia Matrix (Aggregated Rock) (Sedimentary Breccia / Conglomerate) — sedimentary

Conglomerate / Breccia Matrix (Aggregated Rock)

Sedimentary Breccia / Conglomerate

Granite (Granite) — Igneous

Granite

Granite

Tumbled Amethyst (Quartz (Silicon Dioxide, SiO2, colored by iron impurities)) — mineral

Tumbled Amethyst

Quartz (Silicon Dioxide, SiO2, colored by iron impurities)

Amethyst Cluster (Quartz (Silicon Dioxide, SiO2)) — gemstone

Amethyst Cluster

Quartz (Silicon Dioxide, SiO2)

Jasper (Silicon Dioxide (Microcrystalline Quartz, SiO2)) — sedimentary

Jasper

Silicon Dioxide (Microcrystalline Quartz, SiO2)

Red Jasper (Silicon Dioxide (SiO2) with iron oxide impurities) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

Red Jasper (Microcrystalline quartz (SiO2)) — sedimentary

Red Jasper

Microcrystalline quartz (SiO2)

Quartz (Quartzite or Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Quartzite or Milky Quartz)

Silicon Dioxide (SiO2)

Serafina (Serafinite / Clinochlore) (Clinochlore (Mg5Al)(AlSi3O10)(OH)8) — mineral

Serafina (Serafinite / Clinochlore)

Clinochlore (Mg5Al)(AlSi3O10)(OH)8

Turtle Stone / Septarian Nodule (Fragment) (Septarian Concretion (Calcite, Aragonite, and Limestone)) — sedimentary

Turtle Stone / Septarian Nodule (Fragment)

Septarian Concretion (Calcite, Aragonite, and Limestone)

Picture Jasper (SiO2 (Microcrystalline Quartz / Chalcedony with iron oxide impurities)) — sedimentary

Picture Jasper

SiO2 (Microcrystalline Quartz / Chalcedony with iron oxide impurities)

Yellow Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Yellow Jasper

Microcrystalline Quartz (SiO2)

Lazulite Quartzite (Quartzite with Lazulite (SiO2 with (Mg,Fe)Al2(PO4)2(OH)2)) — metamorphic

Lazulite Quartzite

Quartzite with Lazulite (SiO2 with (Mg,Fe)Al2(PO4)2(OH)2)

Raw Quartz (Silicon Dioxide (SiO2)) — mineral

Raw Quartz

Silicon Dioxide (SiO2)

Pink Mimbres Agate / Plume Agate (Silicon dioxide (SiO2) with mineral inclusions) — gemstone

Pink Mimbres Agate / Plume Agate

Silicon dioxide (SiO2) with mineral inclusions

Red Jasper (Silicon Dioxide (Microcrystalline Quartz), SiO2) — mineral

Red Jasper

Silicon Dioxide (Microcrystalline Quartz), SiO2

Yooperlite (Fluorescent Sodalite-bearing Syenite) (Syenite rich in sodalite) — igneous

Yooperlite (Fluorescent Sodalite-bearing Syenite)

Syenite rich in sodalite

Jasper and Epidote in Quartzite (Metamorphic rock containing microcrystalline quartz, epidote, and jasper) — metamorphic

Jasper and Epidote in Quartzite

Metamorphic rock containing microcrystalline quartz, epidote, and jasper

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

Amethyst

Quartz (Silicon Dioxide with iron impurities, SiO2)

Amazonite (K(AlSi3O8) (Microcline Feldspar)) — mineral

Amazonite

K(AlSi3O8) (Microcline Feldspar)

Amazonite (Amazonite (Microcline Feldspar) - KAlSi3O8) — mineral

Amazonite

Amazonite (Microcline Feldspar) - KAlSi3O8

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Amazonite (Microcline (variety Amazonite), K(AlSi3O8)) — mineral

Amazonite

Microcline (variety Amazonite), K(AlSi3O8)

Prehnite with Epidote inclusions (Ca2Al(AlSi3O10)(OH)2) — mineral

Prehnite with Epidote inclusions

Ca2Al(AlSi3O10)(OH)2

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Ocean Jasper (Orbicular Jasper (Silicon Dioxide, SiO2)) — sedimentary

Ocean Jasper

Orbicular Jasper (Silicon Dioxide, SiO2)

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

Citrine

Silicon Dioxide with iron impurities (SiO2)

Amazonite (Microcline (KAlSi3O8) with trace Lead (Pb)) — mineral

Amazonite

Microcline (KAlSi3O8) with trace Lead (Pb)

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

Amethyst

Silicon dioxide (SiO2) with iron impurities

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Chrysocolla on Quartz (Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O) with Quartz (SiO2)) — mineral

Chrysocolla on Quartz

Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O) with Quartz (SiO2)