Rock Identifier

Category

Sedimentary (Base), Then Artificial

Browse sedimentary (base), then artificial specimens identified by the Rock Identifier community.

Labradorite (Labradorite (Plagioclase Feldspar Series - (Ca, Na)(Al, Si)4O8)) — mineral

Labradorite

Labradorite (Plagioclase Feldspar Series - (Ca, Na)(Al, Si)4O8)

Map Jasper (Picasso Stone) (Metamorphosed Calcium Carbonate (Crystalline Limestone or Marble with Silicate inclusions/impurities)) — metamorphic

Map Jasper (Picasso Stone)

Metamorphosed Calcium Carbonate (Crystalline Limestone or Marble with Silicate inclusions/impurities)

Rainbow Moonstone with Black Tourmaline (White Labradorite with Schorl (Na,Ca)(Al,Si)4O8) — mineral

Rainbow Moonstone with Black Tourmaline

White Labradorite with Schorl (Na,Ca)(Al,Si)4O8

Citrine (Silicon dioxide (SiO2)) — mineral

Citrine

Silicon dioxide (SiO2)

Man-made Blank Ammunition (Brass) (CuZn (Cartridge Brass - roughly 70% Copper, 30% Zinc)) — Anticrystalline / Synthetic Alloy

Man-made Blank Ammunition (Brass)

CuZn (Cartridge Brass - roughly 70% Copper, 30% Zinc)

Anticrystalline / Synthetic Alloy

Amygdaloidal Basalt (Amygdaloidal Basalt (Mafic volcanic rock including secondary mineral infills)) — Igneous

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic volcanic rock including secondary mineral infills)

Bornite (Bornite (Cu5FeS4)) — mineral

Bornite

Bornite (Cu5FeS4)

Gold (10K Alloy) (Aurum (Au) with alloying metals (Cu, Ag, Zn)) — mineral

Gold (10K Alloy)

Aurum (Au) with alloying metals (Cu, Ag, Zn)

Moss Agate and Hematite (Silica (SiO2) with fibrous inclusions of Manganese or Iron; Hematite (Fe2O3)) — mineral

Moss Agate and Hematite

Silica (SiO2) with fibrous inclusions of Manganese or Iron; Hematite (Fe2O3)

Tree Agate (Chalcedony (SiO2) with Dendritic inclusions) — mineral

Tree Agate

Chalcedony (SiO2) with Dendritic inclusions

Amazonite (Potassium feldspar (KAlSi3O8)) — mineral

Amazonite

Potassium feldspar (KAlSi3O8)

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

Rough Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

Dendritic Quartz Pebble (Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions) — mineral

Dendritic Quartz Pebble

Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions

Citrine (likely Heat-Treated Amethyst) (Silicon Dioxide (SiO2)) — mineral

Citrine (likely Heat-Treated Amethyst)

Silicon Dioxide (SiO2)

Dragon Blood Jasper (Epidote with Piedmontite or Quartz) (Epidote-rich Quartzite / SiO2 with (Ca2(Al2,Fe)(Si2O7)(SiO4)O(OH))) — metamorphic

Dragon Blood Jasper (Epidote with Piedmontite or Quartz)

Epidote-rich Quartzite / SiO2 with (Ca2(Al2,Fe)(Si2O7)(SiO4)O(OH))

Green Aventurine (Quartzite with Fuchsite (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)) — metamorphic

Green Aventurine

Quartzite with Fuchsite (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)

Moss Agate (Silicon dioxide (SiO2) with inclusions of hornblende or chlorite) — mineral

Moss Agate

Silicon dioxide (SiO2) with inclusions of hornblende or chlorite

Orca Agate (Blue Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Orca Agate (Blue Chalcedony)

Silicon Dioxide (SiO2)

Basalt with Quartz Vein (Mafic Igneous Rock (SiO2 filling)) — igneous

Basalt with Quartz Vein

Mafic Igneous Rock (SiO2 filling)

Shiva Eye Shell (Operculum) (Calcium Carbonate (Aragonite), CaCO3) — mineral

Shiva Eye Shell (Operculum)

Calcium Carbonate (Aragonite), CaCO3

Basalt with Caliche (Extrusive Mafic Igneous Rock with Secondary Carbonate Crust) — igneous

Basalt with Caliche

Extrusive Mafic Igneous Rock with Secondary Carbonate Crust

Engineered Quartz Stone (Agglomerated Quartz (SiO2 + Polymer Resin)) — mineral-based composite

Engineered Quartz Stone

Agglomerated Quartz (SiO2 + Polymer Resin)

mineral-based composite

Moss Agate (Silicon dioxide (SiO2) with inclusions) — Mineral

Moss Agate

Silicon dioxide (SiO2) with inclusions

Cinnabar in Dolomite or Quartz (Cinnabrite) (Mercury sulfide (HgS) in Dolomite (CaMg(CO3)2)) — metamorphic

Cinnabar in Dolomite or Quartz (Cinnabrite)

Mercury sulfide (HgS) in Dolomite (CaMg(CO3)2)

Amygdaloidal Basalt (Amygdaloidal Basalt) — igneous

Amygdaloidal Basalt

Amygdaloidal Basalt

Pink Granite (Granite (High K-Feldspar variety)) — igneous

Pink Granite

Granite (High K-Feldspar variety)

Granite (Granite (composed of Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Granite (composed of Quartz, Alkali Feldspar, and Plagioclase)

Basalt with Peridotite Xenolith (Mafic Igneous Rock with Peridotite Inclusion (Olivine-rich)) — igneous

Basalt with Peridotite Xenolith

Mafic Igneous Rock with Peridotite Inclusion (Olivine-rich)

Granite (Granite) — igneous

Granite

Granite

Basalt (Basalt (Aphanitic Igneous Rock)) — igneous

Basalt

Basalt (Aphanitic Igneous Rock)

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Basalt Pebble (Basalt (Mafic Volcanic Rock)) — igneous

Basalt Pebble

Basalt (Mafic Volcanic Rock)

Basalt River Pebble (Extrusive Mafic Basalt) — igneous

Basalt River Pebble

Extrusive Mafic Basalt

Diorite (Phaneritic Intermediate Igneous Rock) — igneous

Diorite

Phaneritic Intermediate Igneous Rock

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Granite Pebble (Granite (composed primarily of Quartz: SiO2, Feldspar: KAlSi3O8, and Mica: K(Mg,Fe)3AlSi3O10(OH)2)) — igneous

Granite Pebble

Granite (composed primarily of Quartz: SiO2, Feldspar: KAlSi3O8, and Mica: K(Mg,Fe)3AlSi3O10(OH)2)

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Granite (Granite (Phaneritic Igneous Rock)) — igneous

Granite

Granite (Phaneritic Igneous Rock)

Basalt (Basalt) — igneous

Basalt

Basalt

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Quartz and Mixed Gravel (Silicon Dioxide (SiO2) with minor impurities) — Mineral

Quartz and Mixed Gravel

Silicon Dioxide (SiO2) with minor impurities

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock