Rock Identifier

Category

Sedimentary (Chemical)

Browse sedimentary (chemical) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Chemical) in the encyclopedia

Conglomerate

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Breccia

Breccia

Ironstone

Ironstone

Coal

Coal

Limestone

Limestone

Kambaba Jasper

Kambaba Jasper

Asphalt Rock

Asphalt Rock

Sapropel

Sapropel

Mudstone

Mudstone

Claystone

Claystone

Siltstone

Siltstone

Quartz Mineral (Silicon dioxide (SiO2)) — mineral

Quartz Mineral

Silicon dioxide (SiO2)

Quartz (Milky or Smoky variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or Smoky variety)

Silicon Dioxide (SiO2)

Banded Agate (Carnelian type) (Agate (Cryptocrystalline Quartz, SiO2)) — mineral

Banded Agate (Carnelian type)

Agate (Cryptocrystalline Quartz, SiO2)

Granite Cobble (Phaneritic Felsic Igneous Rock) — igneous

Granite Cobble

Phaneritic Felsic Igneous Rock

Quartz (Milky or Rose variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or Rose variety)

Silicon Dioxide (SiO2)

Gabbro (Gabbro) — igneous

Gabbro

Gabbro

Basalt with Iron Oxide staining (Basalt (Mafic volcanic rock)) — igneous

Basalt with Iron Oxide staining

Basalt (Mafic volcanic rock)

Red Quartzite / Ferruginous Quartz (Quartzite (primarily Silicon Dioxide, SiO2 with Iron Oxide impurities)) — metamorphic

Red Quartzite / Ferruginous Quartz

Quartzite (primarily Silicon Dioxide, SiO2 with Iron Oxide impurities)

Aragonite (Aragonite (Calcium Carbonate - CaCO3)) — mineral

Aragonite

Aragonite (Calcium Carbonate - CaCO3)

Quartz Pebble (often referred to as 'Sea Glass' or 'River Stone' when worn smooth) (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble (often referred to as 'Sea Glass' or 'River Stone' when worn smooth)

Silicon Dioxide (SiO2)

Quartzite (river pebble) and Gabbro (crushed rock) (Quartzite (metamorphosed Quartz Sandstone, SiO2) and Gabbro (Plagioclase-Clinopyroxene rock)) — Metamorphic and Igneous

Quartzite (river pebble) and Gabbro (crushed rock)

Quartzite (metamorphosed Quartz Sandstone, SiO2) and Gabbro (Plagioclase-Clinopyroxene rock)

Metamorphic and Igneous

Diamond (in a jewelry setting) (Carbon (C)) — mineral

Diamond (in a jewelry setting)

Carbon (C)

Quartzite with inclusions (Quartzite (SiO2)) — metamorphic

Quartzite with inclusions

Quartzite (SiO2)

White Quartz Pebble (Quartz (Silicon Dioxide - SiO2)) — mineral

White Quartz Pebble

Quartz (Silicon Dioxide - SiO2)

Peridotite (with Olivine) (Peridotite (dominantly (Mg, Fe)2SiO4)) — igneous

Peridotite (with Olivine)

Peridotite (dominantly (Mg, Fe)2SiO4)

Quartzite River Pebble (Quartzite (SiO2)) — metamorphic

Quartzite River Pebble

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Agate (Polished Nodule) (Agate (Silicon Dioxide, SiO2)) — mineral

Agate (Polished Nodule)

Agate (Silicon Dioxide, SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Soapstone mushroom decorative carving (Steatite (Hydrous magnesium silicate, Mg3Si4O10(OH)2)) — metamorphic

Soapstone mushroom decorative carving

Steatite (Hydrous magnesium silicate, Mg3Si4O10(OH)2)

Cassiterite in Iron-rich Matrix (Cassiterite (SnO2)) — mineral

Cassiterite in Iron-rich Matrix

Cassiterite (SnO2)

Marble (Metamorphic Limestone (CaCO3)) — metamorphic

Marble

Metamorphic Limestone (CaCO3)

Cubic Zirconia (Diamond Simulant) (Zirconium Dioxide (ZrO2)) — mineral

Cubic Zirconia (Diamond Simulant)

Zirconium Dioxide (ZrO2)

Agate slice (Chalcedony (SiO2)) — mineral

Agate slice

Chalcedony (SiO2)

White Salt Crystal Lamp (Halite) (Halite (Sodium Chloride, NaCl)) — mineral

White Salt Crystal Lamp (Halite)

Halite (Sodium Chloride, NaCl)

Vanadinite (Lead Chlorovanadate - Pb5(VO4)3Cl) — mineral

Vanadinite

Lead Chlorovanadate - Pb5(VO4)3Cl

Marble (Recrystallized Calcite (CaCO3)) — metamorphic

Marble

Recrystallized Calcite (CaCO3)

Synthetic Resin / Plastic Figurine (Synthetic Polymer (Copolymer of Polyethylene or Resin)) — Mineraloid-like Synthetic Material

Synthetic Resin / Plastic Figurine

Synthetic Polymer (Copolymer of Polyethylene or Resin)

Mineraloid-like Synthetic Material

Limonite (Limonite (Hydrated iron oxide mixture, FeO(OH)·nH2O)) — mineral

Limonite

Limonite (Hydrated iron oxide mixture, FeO(OH)·nH2O)

Limonite (Iron Ore/Bog Iron) (Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore/Bog Iron)

Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)

Malachite (Copper carbonate hydroxide (Cu2CO3(OH)2)) — mineral

Malachite

Copper carbonate hydroxide (Cu2CO3(OH)2)

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

Nephrite Jade

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

Clear Quartz (or Rock Crystal) (Quartz (SiO₂)) — Mineral

Clear Quartz (or Rock Crystal)

Quartz (SiO₂)

Quartzite (River Pebble) (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite (River Pebble)

Metamorphosed Quartz Sandstone (SiO2)

Quartzite Pebble (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

Quartzite (Silica (SiO2)) — metamorphic

Quartzite

Silica (SiO2)

Red Quartzite River Rock (Metamorphic Quartzite (SiO2)) — metamorphic

Red Quartzite River Rock

Metamorphic Quartzite (SiO2)

Quartzite Pebble (Metamorphic Rock (composed mainly of SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Rock (composed mainly of SiO2)

Diabase (Greenstone) (Diabase (also known as Dolerite)) — igneous

Diabase (Greenstone)

Diabase (also known as Dolerite)

Red Quartzite (Metamorphic Quartzite (predominantly SiO2 with iron oxide impurities)) — metamorphic

Red Quartzite

Metamorphic Quartzite (predominantly SiO2 with iron oxide impurities)

Quartzite River Rock (Metaquartzite (majorly SiO2)) — metamorphic

Quartzite River Rock

Metaquartzite (majorly SiO2)