Rock Identifier

Category

Mineral, Often A Rock Given Its Aggregate Nature

Browse mineral, often a rock given its aggregate nature specimens identified by the Rock Identifier community.

Learn about Mineral, Often A Rock Given Its Aggregate Nature in the encyclopedia

Bumblebee Jasper

Bumblebee Jasper

Skarn

Serpentinite

Lamprophyre

Pyroxenite

Aquamarine Matrix

Aquamarine Matrix

Peacock Ore

Rock Salt

Black Shale

Potassium Feldspar

Potassium Feldspar

Metaconglomerate

Metaconglomerate

Green Marble

Smelter Slag (Anthropogenic Silicate Slag) — igneous

Smelter Slag

Anthropogenic Silicate Slag

Gray Basalt (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Gray Basalt

Basalt (Mafic Extrusive Igneous Rock)

Greenstone with Pyrite inclusions (Greenschist / Meta-volcanic rock with Iron Disulfide (FeS2)) — metamorphic

Greenstone with Pyrite inclusions

Greenschist / Meta-volcanic rock with Iron Disulfide (FeS2)

Concrete rubble (Anthropogenic conglomerate) — sedimentary

Concrete rubble

Anthropogenic conglomerate

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Shale (Lutaceous sedimentary rock) — sedimentary

Shale

Lutaceous sedimentary rock

Sandstone (Arenite (SiO2 based typically)) — sedimentary

Sandstone

Arenite (SiO2 based typically)

Shale or Mudstone River Pebble (Argillaceous sedimentary rock) — sedimentary

Shale or Mudstone River Pebble

Argillaceous sedimentary rock

Sandstone (Weathered Pebble) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Weathered Pebble)

Arenite (primarily SiO2)

Shale (Shale (Argillaceous sedimentary rock)) — sedimentary

Shale

Shale (Argillaceous sedimentary rock)

Chert (Jasper variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper variety)

Microcrystalline Quartz (SiO2)

Grey Agate (Tumbled) (Silicon Dioxide (SiO2)) — mineral

Grey Agate (Tumbled)

Silicon Dioxide (SiO2)

Poppy Jasper (Microcrystalline Quartz (SiO2) with mineral inclusions) — sedimentary

Poppy Jasper

Microcrystalline Quartz (SiO2) with mineral inclusions

Shale (Shale (Lutite)) — sedimentary

Shale

Shale (Lutite)

Copper Ore (Malachite/Chrysocolla bearing) (Cupriferous rock containing secondary copper minerals like Cu2CO3(OH)2) — mineral

Copper Ore (Malachite/Chrysocolla bearing)

Cupriferous rock containing secondary copper minerals like Cu2CO3(OH)2

Howlite and Purple Amethyst Druzy (Calcium Borosilicate Hydroxide (Howlite) and Silicon Dioxide (Quartz/Amethyst)) — mineral

Howlite and Purple Amethyst Druzy

Calcium Borosilicate Hydroxide (Howlite) and Silicon Dioxide (Quartz/Amethyst)

Chrysocolla in Matrix (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Silicate/Secondary Copper Mineral)) — mineral

Chrysocolla in Matrix

Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Silicate/Secondary Copper Mineral)

Rough Topaz (Aluminum silicate fluoride hydroxide [Al2SiO4(F, OH)2]) — mineral

Rough Topaz

Aluminum silicate fluoride hydroxide [Al2SiO4(F, OH)2]

Jasper (Silicon dioxide, SiO2) — Mineral

Jasper

Silicon dioxide, SiO2

Sandstone (Ferruginous) (Arenite (Siliclastic Sedimentary Rock)) — sedimentary

Sandstone (Ferruginous)

Arenite (Siliclastic Sedimentary Rock)

Quartz (Quartz (SiO₂)) — Mineral

Quartz

Quartz (SiO₂)

Gray Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Gray Agate

Cryptocrystalline Quartz (SiO2)

Shale (Laminated Mudstone) — sedimentary

Shale

Laminated Mudstone

Greywhacke (River Pebble) (Graywacke (immature sandstone)) — sedimentary

Greywhacke (River Pebble)

Graywacke (immature sandstone)

Stream-Rounded Shale or Mudstone (Argillaceous sedimentary rock) — sedimentary

Stream-Rounded Shale or Mudstone

Argillaceous sedimentary rock

Pink Rhodonite (Rhodonite (Manganese Iron Magnesium Calcium Silicate - (Mn,Fe,Mg,Ca)SiO3)) — mineral

Pink Rhodonite

Rhodonite (Manganese Iron Magnesium Calcium Silicate - (Mn,Fe,Mg,Ca)SiO3)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Sandstone (Quartz Arenite / Sedimentary Rock) — sedimentary

Sandstone

Quartz Arenite / Sedimentary Rock

Nephrite Jade (or Serpentine) (Nephrite (a variety of amphibole mineral tremolite-actinolite) or Serpentine Group minerals) — Mineral/Rock

Nephrite Jade (or Serpentine)

Nephrite (a variety of amphibole mineral tremolite-actinolite) or Serpentine Group minerals

Tumbled Black Tourmaline (Schorl (NaFe2+3Al6Si6O18(BO3)3(OH)3OH)) — mineral

Tumbled Black Tourmaline

Schorl (NaFe2+3Al6Si6O18(BO3)3(OH)3OH)

Pyrite-bearing Rock (Iron Sulfide (FeS2) associated with host rock) — mineral

Pyrite-bearing Rock

Iron Sulfide (FeS2) associated with host rock

Sandstone Pebble (Arenite (Siliclastic sedimentary rock)) — sedimentary

Sandstone Pebble

Arenite (Siliclastic sedimentary rock)

Dyed Agate Slice (Silicon Dioxide (SiO2)) — mineral

Dyed Agate Slice

Silicon Dioxide (SiO2)

Shale (Lutaceous Sedimentary Rock) — sedimentary

Shale

Lutaceous Sedimentary Rock

River Rock (River Cobbles) (Fluvial Conglomerate Clasts (primarily composed of various minerals such as Quartz, SiO2)) — sedimentary

River Rock (River Cobbles)

Fluvial Conglomerate Clasts (primarily composed of various minerals such as Quartz, SiO2)

Scoria (Extrusive Basaltic Scoria) — igneous

Scoria

Extrusive Basaltic Scoria

Purple Lava Rock / Vesicular Basalt (Vesicular Basalt (Mafic Extrusive Igneous Rock)) — igneous

Purple Lava Rock / Vesicular Basalt

Vesicular Basalt (Mafic Extrusive Igneous Rock)

Red Jasper (Jasper (Silica with Hematite inclusions), SiO2) — sedimentary

Red Jasper

Jasper (Silica with Hematite inclusions), SiO2

Quartz-veined Limestone (Sedimentary limestone with quartz/calcite veinlets) — sedimentary

Quartz-veined Limestone

Sedimentary limestone with quartz/calcite veinlets

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

White Topaz (Aluminum Silicate Fluoride Hydroxide, Al2SiO4(F,OH)2) — mineral

White Topaz

Aluminum Silicate Fluoride Hydroxide, Al2SiO4(F,OH)2