Rock Identifier

Category

Anthropogenic Material (Man Made Sedimentary Mimic)

Browse anthropogenic material (man made sedimentary mimic) specimens identified by the Rock Identifier community.

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Basalt (Basalt (Aphanitic Mafic Volcanic Rock)) — Igneous

Basalt

Basalt (Aphanitic Mafic Volcanic Rock)

Milky Quartz (Water-worn pebble) (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz (Water-worn pebble)

Quartz (Silicon Dioxide, SiO2)

Quartz (specifically Citrine or Iron-stained Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (specifically Citrine or Iron-stained Quartz)

Silicon Dioxide (SiO2)

Diamond (Carbon (C)) — Mineral

Diamond

Carbon (C)

Tree Agate (or Moss Agate) (Dendritic Agate (Silicon Dioxide - SiO2)) — mineral

Tree Agate (or Moss Agate)

Dendritic Agate (Silicon Dioxide - SiO2)

Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Granite (Granite (Phaneritic Igneous Rock)) — igneous

Granite

Granite (Phaneritic Igneous Rock)

Granite Pebble (Igneous Intrusive Rock (Quartz-Feldspar-Mica Phenocrysts)) — igneous

Granite Pebble

Igneous Intrusive Rock (Quartz-Feldspar-Mica Phenocrysts)

Chert / Flint (a variety of Chert) (Chert (SiO2)) — Sedimentary Rock (technically a microcrystalline quartz mineral aggregate)

Chert / Flint (a variety of Chert)

Chert (SiO2)

Sedimentary Rock (technically a microcrystalline quartz mineral aggregate)

Orange Quartzite (River Pebble) (Quartzite (SiO2 with iron oxide impurities)) — metamorphic

Orange Quartzite (River Pebble)

Quartzite (SiO2 with iron oxide impurities)

Milky Quartz Pebble (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Milky Quartz Pebble (Iron-stained)

Silicon Dioxide (SiO2)

K2 Azurite Granite / K2 Stone (Granite (igneous rock) with Azurite inclusions (mineral)) — igneous

K2 Azurite Granite / K2 Stone

Granite (igneous rock) with Azurite inclusions (mineral)

Quartzite (Milky Quartz Cobble) (Silicon Dioxide (SiO2)) — Metamorphic

Quartzite (Milky Quartz Cobble)

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Diamond (Cubic Carbon (C)) — mineral

Diamond

Cubic Carbon (C)

Petrified Wood (Silicified Wood (SiO2)) — metamorphic

Petrified Wood

Silicified Wood (SiO2)

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

Quartz (Common or Milky)

Silicon Dioxide (SiO2)

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

Milky Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Mica Schist (Mica Schist (Complex Silicate Rock)) — metamorphic

Mica Schist

Mica Schist (Complex Silicate Rock)

Halite (Halite (Sodium Chloride, NaCl)) — mineral

Halite

Halite (Sodium Chloride, NaCl)

Halite (Halite (NaCl)) — mineral

Halite

Halite (NaCl)

Rose Quartz (Quartz (Silicon Dioxide - SiO2)) — mineral

Rose Quartz

Quartz (Silicon Dioxide - SiO2)

Rhodonite (Manganese Silicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Diamond (Green tinted) (Carbon (C) with trace impurities or lattice defects) — mineral

Diamond (Green tinted)

Carbon (C) with trace impurities or lattice defects

Quartz with Mica/Chlorite inclusions (Silicon Dioxide (SiO2) with phyllosilicate inclusions) — igneous/metamorphic mineral specimen

Quartz with Mica/Chlorite inclusions

Silicon Dioxide (SiO2) with phyllosilicate inclusions

igneous/metamorphic mineral specimen

Granite with Epidote (Granite, containing quartz, feldspar, and epidote) — Igneous

Granite with Epidote

Granite, containing quartz, feldspar, and epidote

Rhodonite (Rhodonite (MnSiO3)) — mineral

Rhodonite

Rhodonite (MnSiO3)

Petrified Wood (Silicified Wood (SiO2)) — metamorphic

Petrified Wood

Silicified Wood (SiO2)

Granite (Felsic Plutonic Rock (primarily SiO2)) — igneous

Granite

Felsic Plutonic Rock (primarily SiO2)

Rhodonite (Manganese Silicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

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

Quartzite (River Pebble)

Metamorphosed Quartz-rich Sandstone (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Serpentinite (Serpentinite (Mg, Fe, Ni)₃Si₂O―(OH)₄) — metamorphic

Serpentinite

Serpentinite (Mg, Fe, Ni)₃Si₂O―(OH)₄

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Sandstone (Arenite (SiO2 principal component)) — sedimentary

Sandstone

Arenite (SiO2 principal component)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Granite (Plutonic felsic igneous rock) — igneous

Granite

Plutonic felsic igneous rock