Rock Identifier

Category

Sedimentary (Base), Then Artificial

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

Blue Sapphire (Corundum (Al2O3)) — mineral

Blue Sapphire

Corundum (Al2O3)

Amygdaloidal Basalt (Amygdaloidal Basalt (containing secondary minerals like Quartz, Zeolites, or Calcite)) — igneous

Amygdaloidal Basalt

Amygdaloidal Basalt (containing secondary minerals like Quartz, Zeolites, or Calcite)

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

Granite

Phaneritic Acidic Igneous Rock (Granite Group)

Lapis Lazuli (Complex mixture of minerals, primarily Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2) — metamorphic

Lapis Lazuli

Complex mixture of minerals, primarily Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2

Mica-rich Pegmatite (Pegmatite (rich in Muscovite and Biotite)) — igneous

Mica-rich Pegmatite

Pegmatite (rich in Muscovite and Biotite)

Green Fluorite (Calcium Fluoride (CaF2)) — mineral

Green Fluorite

Calcium Fluoride (CaF2)

Bloodstone (Heliotrope) (Silicon Dioxide (SiO2) with inclusions of Hematite) — mineral

Bloodstone (Heliotrope)

Silicon Dioxide (SiO2) with inclusions of Hematite

Citrine (Silicon dioxide (SiO2) - yellow quartz variety) — mineral

Citrine

Silicon dioxide (SiO2) - yellow quartz variety

Unakite (Unakite (Altered Granite consisting of Orthoclase KAlSi3O8, Epidote Ca2(Al,Fe)3(SiO4)3(OH), and Quartz SiO2)) — metamorphic

Unakite

Unakite (Altered Granite consisting of Orthoclase KAlSi3O8, Epidote Ca2(Al,Fe)3(SiO4)3(OH), and Quartz SiO2)

Charoite (Charoite (K(Ca,Na)2Si4O10(OH,F)·H2O)) — mineral

Charoite

Charoite (K(Ca,Na)2Si4O10(OH,F)·H2O)

Snowflake Obsidian (Volcanic glass with Phenocrysts (SiO2 with Cristobalite inclusions)) — igneous

Snowflake Obsidian

Volcanic glass with Phenocrysts (SiO2 with Cristobalite inclusions)

Basalt with Epidote/Chlorite (Amygdaloidal Basalt (SiO2 with (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH)))) — igneous

Basalt with Epidote/Chlorite

Amygdaloidal Basalt (SiO2 with (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH)))

Mystic Topaz (Aluminum silicate fluoride hydroxide with titanium coating (Al2SiO4(F,OH)2)) — mineral

Mystic Topaz

Aluminum silicate fluoride hydroxide with titanium coating (Al2SiO4(F,OH)2)

Milky Quartz with Iron Staining (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Goldstone (Synthetic Aventurescence Glass) (Cuprous Aventurescent Glass (Silicon Dioxide with Copper inclusions)) — mineraloid / man-made material

Goldstone (Synthetic Aventurescence Glass)

Cuprous Aventurescent Glass (Silicon Dioxide with Copper inclusions)

mineraloid / man-made material

Basalt with Quartz/Calcite Inclusion (Aphanitic Mafic Igneous Rock (Basalt) with SiO2 or CaCO3 vein) — igneous

Basalt with Quartz/Calcite Inclusion

Aphanitic Mafic Igneous Rock (Basalt) with SiO2 or CaCO3 vein

Basalt (Mafic Igneous Rock (composed primarily of plagioclase feldspar and pyroxene)) — igneous

Basalt

Mafic Igneous Rock (composed primarily of plagioclase feldspar and pyroxene)

Granite (Phaneritic plutonic felsic rock) — igneous

Granite

Phaneritic plutonic felsic rock

Vesicular Basalt with Mineral Inclusions (Vesicular Basalt) — igneous

Vesicular Basalt with Mineral Inclusions

Vesicular Basalt

Basalt River Cobble (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt River Cobble

Basalt (Mafic Extrusive Igneous Rock)

Basalt with Quartz Vein (Basalt (extrusive igneous rock) with Quartz (SiO2) inclusion) — igneous

Basalt with Quartz Vein

Basalt (extrusive igneous rock) with Quartz (SiO2) inclusion

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

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Granitic Gneiss (Gneiss (High-grade metamorphic rock)) — metamorphic

Granitic Gneiss

Gneiss (High-grade metamorphic rock)

Vesicular Basalt (Extrusive Mafic Volcanic Rock) — igneous

Vesicular Basalt

Extrusive Mafic Volcanic Rock

Howlite (Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)) — mineral

Howlite

Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

Basalt (Extrusive volcanic basalt) — igneous

Basalt

Extrusive volcanic basalt

Basalt (Basalt) — igneous

Basalt

Basalt

Basalt (Mafic Igneous Basalt) — igneous

Basalt

Mafic Igneous Basalt

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Vesicular Basalt (River Stone) (Basalt (Aphanitic-Vesicular Mafic Rock)) — igneous

Vesicular Basalt (River Stone)

Basalt (Aphanitic-Vesicular Mafic Rock)

Basalt (Aphanitic Mafic Igneous Rock) — igneous

Basalt

Aphanitic Mafic Igneous Rock

Basalt with Quartz Infill (Aphanitic Mafic Igneous Rock with Silica (SiO2) inclusion) — igneous

Basalt with Quartz Infill

Aphanitic Mafic Igneous Rock with Silica (SiO2) inclusion

Gabbro (Gabbro (Mg, Fe)2Si2O6 / CaAl2Si2O8) — igneous

Gabbro

Gabbro (Mg, Fe)2Si2O6 / CaAl2Si2O8

Basalt (River Stone) (Basalt (SiO2 range 45-52%)) — igneous

Basalt (River Stone)

Basalt (SiO2 range 45-52%)

Basalt River Pebble (Basalt) — igneous

Basalt River Pebble

Basalt

Basalt (with possible fine-grained mineralization) (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt (with possible fine-grained mineralization)

Basalt (Mafic Extrusive Igneous Rock)

Basalt with Calcite Veining (Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene)) — igneous

Basalt with Calcite Veining

Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

Basalt (Aphanitic Mafic Igneous Rock) — igneous

Basalt

Aphanitic Mafic Igneous Rock

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

Granite Pebble

Granite (Phaneritic Igneous Rock)

Pink Granite (Phaneritic Felsic Igneous Rock (composed primarily of Orthoclase Feldspar and Quartz)) — igneous

Pink Granite

Phaneritic Felsic Igneous Rock (composed primarily of Orthoclase Feldspar and Quartz)

Basalt with Plagioclase Phenocrysts (Porphyritic Basalt) — igneous

Basalt with Plagioclase Phenocrysts

Porphyritic Basalt

Scoria (Vesicular Basalt / Scoriaceous Basalt) — igneous

Scoria

Vesicular Basalt / Scoriaceous Basalt