Rock Identifier

Community gallery

All rocks & minerals

Every specimen the Rock Identifier community has discovered, from desert agates to deep-sea basalts.

Nephrite Jade (Ca2(Mg, Fe)5Si8O22(OH)2) — metamorphic

Nephrite Jade

Ca2(Mg, Fe)5Si8O22(OH)2

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

Carnelian (Red Chalcedony)

Silicon Dioxide (SiO2)

Green Aventurine (Silicon Dioxide (SiO2) with Fuchsite inclusions) — metamorphic

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Green Aventurine (Silicon Dioxide (SiO2) with inclusions of Fuchsite mica) — metamorphic

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Rose Quartz (Rose Quartz (SiO2 with traces of Titanium, Manganese, or Iron)) — mineral

Rose Quartz

Rose Quartz (SiO2 with traces of Titanium, Manganese, or Iron)

Rose Quartz (Silicon dioxide (SiO2)) — mineral

Rose Quartz

Silicon dioxide (SiO2)

Amethyst (Silicon Dioxide (SiO2) with trace Iron (Fe3+)) — mineral

Amethyst

Silicon Dioxide (SiO2) with trace Iron (Fe3+)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Chert (Chert (Microcrystalline Quartz, SiO2)) — sedimentary

Chert

Chert (Microcrystalline Quartz, SiO2)

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

Quartz (Milky or Cloudy Quartz)

Silicon Dioxide (SiO2)

Amber (Succinite (amorphous organic polymer)) — mineral

Amber

Succinite (amorphous organic polymer)

Caribbean Calcite (Calcium Carbonate (CaCO3) with Aragonite) — mineral

Caribbean Calcite

Calcium Carbonate (CaCO3) with Aragonite

Caribbean Calcite (Calcite and Aragonite (CaCO3)) — mineral

Caribbean Calcite

Calcite and Aragonite (CaCO3)

Granite (Granite (Phaneritic igneous rock)) — igneous

Granite

Granite (Phaneritic igneous rock)

Iron Meteorite (Siderite (meteoritic iron, Fe-Ni alloy)) — mineral

Iron Meteorite

Siderite (meteoritic iron, Fe-Ni alloy)

Granite (Granite (Phaneritic intrusive igneous rock)) — igneous

Granite

Granite (Phaneritic intrusive igneous rock)

Septarian (Dragon Stone) (Septarian concretion (Calcite, Aragonite, and Limestone)) — sedimentary

Septarian (Dragon Stone)

Septarian concretion (Calcite, Aragonite, and Limestone)

Magnetite (Iron Ore) (Magnetite (Fe3O4)) — mineral

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Septarian Nodule (Dragon Stone) (Carbonate concretion (Calcite and Aragonite in Limestone/Clay)) — sedimentary

Septarian Nodule (Dragon Stone)

Carbonate concretion (Calcite and Aragonite in Limestone/Clay)

Zoisite with Ruby or Rubellite in Fuchsite (Anyolite (K(Al,Cr)2(AlSi3O10)(OH)2 with (Ca2Al3(SiO4)(Si2O7)O(OH)))) — metamorphic

Zoisite with Ruby or Rubellite in Fuchsite

Anyolite (K(Al,Cr)2(AlSi3O10)(OH)2 with (Ca2Al3(SiO4)(Si2O7)O(OH)))

Pegmatite containing Muscovite and Quartz (Granitic Pegmatite (SiO2 with KAl2(AlSi3O10)(OH)2)) — igneous

Pegmatite containing Muscovite and Quartz

Granitic Pegmatite (SiO2 with KAl2(AlSi3O10)(OH)2)

Ruby in Zoisite (Anyolite (composite of Corundum Al2O3 and Zoisite Ca2Al3(SiO4)(Si2O7)O(OH))) — metamorphic

Ruby in Zoisite

Anyolite (composite of Corundum Al2O3 and Zoisite Ca2Al3(SiO4)(Si2O7)O(OH))

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

Flower Agate (Chalcedony (SiO2) with inclusions) — mineral

Flower Agate

Chalcedony (SiO2) with inclusions

Botryoidal Chalcedony (Silicon Dioxide (SiO2)) — mineral

Botryoidal Chalcedony

Silicon Dioxide (SiO2)

Blue Chalcedony (Cryptocrystalline Quartz (SiO2)) — mineral

Blue Chalcedony

Cryptocrystalline Quartz (SiO2)

Opalite (Synthetic Glass (typically Silica/Magnesium based with metal additives)) — mineral

Opalite

Synthetic Glass (typically Silica/Magnesium based with metal additives)

Fluorite Carving (Fluorite (Calcium Fluoride, CaF2)) — mineral

Fluorite Carving

Fluorite (Calcium Fluoride, CaF2)

Milky Quartz with Mineral Inclusions (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with Mineral Inclusions

Silicon Dioxide (SiO2)

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

Green Fluorite

Fluorite (Calcium Fluoride, CaF2)

Bumble Bee Jasper (Calcite and Volcanic Ash Mixture) — sedimentary

Bumble Bee Jasper

Calcite and Volcanic Ash Mixture

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

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Indigo Gabbro (Gabbro (Alkali Gabbro)) — igneous

Indigo Gabbro

Gabbro (Alkali Gabbro)

Chinese Writing Stone (Porphyritic Basalt or Porphyritic Andesite) — igneous

Chinese Writing Stone

Porphyritic Basalt or Porphyritic Andesite

Eudialyte in Matrix (Eudialyte (Na4(Ca,Ce)2(Fe2+,Mn,Y)ZrSi8O22(OH,Cl)2)) — mineral

Eudialyte in Matrix

Eudialyte (Na4(Ca,Ce)2(Fe2+,Mn,Y)ZrSi8O22(OH,Cl)2)

Tangerine Quartz (Silicon Dioxide (SiO2) with Hematite/Limonite coatings) — mineral

Tangerine Quartz

Silicon Dioxide (SiO2) with Hematite/Limonite coatings

Chevron Amethyst (Silicon Dioxide (SiO2) with iron impurities and white quartz bands) — mineral

Chevron Amethyst

Silicon Dioxide (SiO2) with iron impurities and white quartz bands

Pink Granite (Alkali-feldspar Granite) (Felsic intrusive igneous rock (composition: KAlSi3O8, SiO2, NaAlSi3O8)) — igneous

Pink Granite (Alkali-feldspar Granite)

Felsic intrusive igneous rock (composition: KAlSi3O8, SiO2, NaAlSi3O8)

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)