Rock Identifier

Category

Mineral Like Byproduct (Technogenic)

Browse mineral like byproduct (technogenic) specimens identified by the Rock Identifier community.

Learn about Mineral Like Byproduct (Technogenic) in the encyclopedia

Blue Line Jasper

Lime Green Tourmaline

Lime Green Tourmaline

Glauconite

Hutcheonite

Halite

Sperrylite

Baddeleyite

Anatase

Brookite

Talc

Euxenite

Eltyubyuite

Quartz with Schist Inclusion (Crystalline Silicon Dioxide (SiO2) with Muscovite/Biotite Schist) — metamorphic

Quartz with Schist Inclusion

Crystalline Silicon Dioxide (SiO2) with Muscovite/Biotite Schist

Garden Quartz (Lodolite) (Quartz with inclusions (SiO2 + various inclusions such as Chlorite, Hematite, or Feldspar)) — mineral

Garden Quartz (Lodolite)

Quartz with inclusions (SiO2 + various inclusions such as Chlorite, Hematite, or Feldspar)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Porphyritic Rhyolite (Porphyritic Rhyolite (SiO2)) — igneous

Porphyritic Rhyolite

Porphyritic Rhyolite (SiO2)

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

Fluorite, Sodalite, and Rose Quartz collection (Calcium Fluoride (CaF2), Sodium Aluminum Silicate with Chlorine (Na8(Al6Si6O24)Cl2), Silicon Dioxide (SiO2)) — mineral

Fluorite, Sodalite, and Rose Quartz collection

Calcium Fluoride (CaF2), Sodium Aluminum Silicate with Chlorine (Na8(Al6Si6O24)Cl2), Silicon Dioxide (SiO2)

Petrified Wood (Silicified Wood (primarily SiO2)) — sedimentary

Petrified Wood

Silicified Wood (primarily SiO2)

Nuummite (Nuummite (Orthorhombic amphiboles: Anthophyllite and Gedrite)) — metamorphic

Nuummite

Nuummite (Orthorhombic amphiboles: Anthophyllite and Gedrite)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Beryl (likely Emerald or Aquamarine in matrix) (Beryllium aluminum silicate (Be3Al2Si6O18)) — mineral

Beryl (likely Emerald or Aquamarine in matrix)

Beryllium aluminum silicate (Be3Al2Si6O18)

Quartz (Small Fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Small Fragment)

Silicon Dioxide (SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Labradorite (Small Tumbled or Water-Worn Fragment) ((Ca,Na)(Al,Si)4O8) — mineral

Labradorite (Small Tumbled or Water-Worn Fragment)

(Ca,Na)(Al,Si)4O8

Garnet Schist (Almandine Garnet in Mica Schist) — metamorphic

Garnet Schist

Almandine Garnet in Mica Schist

Quartz Geode Fragment (Silicon Dioxide (SiO2)) — mineral

Quartz Geode Fragment

Silicon Dioxide (SiO2)

Citrine (Heat-treated Amethyst) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Citrine (Heat-treated Amethyst)

Silicon Dioxide (SiO2) with iron impurities

Quartz (Citrine or Smoky variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (Citrine or Smoky variant)

Silicon Dioxide (SiO2)

Bronzite ((Mg,Fe)SiO3) — Mineral

Bronzite

(Mg,Fe)SiO3

Sandstone (Quartzose / Feldspathic Sandstone) (Arenite (SiO2 principal matrix)) — sedimentary

Sandstone (Quartzose / Feldspathic Sandstone)

Arenite (SiO2 principal matrix)

Quartz Geode (Silicon Dioxide (SiO2) in sedimentary host rock) — sedimentary

Quartz Geode

Silicon Dioxide (SiO2) in sedimentary host rock

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

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Tree Agate (Dendritic Chalcedony (SiO2)) — sedimentary

Tree Agate

Dendritic Chalcedony (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Gravel and Pebbles (Unconsolidated rock fragments (clastic sediment)) — sedimentary

Gravel and Pebbles

Unconsolidated rock fragments (clastic sediment)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Petrified Wood (Silicified Wood (primarily SiO2)) — fossil

Petrified Wood

Silicified Wood (primarily SiO2)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Septarian Nodule (Dragon Stone) (Septarian concretion (CaCO3 with Aragonite and Calcite)) — sedimentary

Septarian Nodule (Dragon Stone)

Septarian concretion (CaCO3 with Aragonite and Calcite)

Quartz Geode (Silicon Dioxide (SiO2) in Host Rock) — sedimentary

Quartz Geode

Silicon Dioxide (SiO2) in Host Rock

Fluorite (specifically Blue John or Banded Fluorite) (Calcium Fluoride (CaF2)) — mineral

Fluorite (specifically Blue John or Banded Fluorite)

Calcium Fluoride (CaF2)

Pyrite in Matrix (Iron Disulfide (FeS2)) — mineral

Pyrite in Matrix

Iron Disulfide (FeS2)

Fossil Coral (Petoskey Stone / Rugose Coral) (Hexagonaria percarinata (or similar fossilized rugose/tabulate coral)) — fossil

Fossil Coral (Petoskey Stone / Rugose Coral)

Hexagonaria percarinata (or similar fossilized rugose/tabulate coral)

Petrified Wood (Fossilized Wood (SiO2 replacing organic matter)) — fossil

Petrified Wood

Fossilized Wood (SiO2 replacing organic matter)

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

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Quartz (with inclusions / Sandstone fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (with inclusions / Sandstone fragment)

Silicon Dioxide (SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Diorite (Plutonic Igneous Rock (Intermediate Composition)) — Igneous

Diorite

Plutonic Igneous Rock (Intermediate Composition)

Quartz Geode fragment (Crystalline Silicon Dioxide (SiO2)) — mineral

Quartz Geode fragment

Crystalline Silicon Dioxide (SiO2)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Turquoise (CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss