Rock Identifier

Category

Sedimentary Or Metamorphic Derived

Browse sedimentary or metamorphic derived specimens identified by the Rock Identifier community.

Banded Onyx (Green Onyx) (Banded Calcite or Travertine (CaCO3)) — Sedimentary

Banded Onyx (Green Onyx)

Banded Calcite or Travertine (CaCO3)

Banded Gneiss (River Cobble) (Gneiss (a high-grade metamorphic rock)) — metamorphic

Banded Gneiss (River Cobble)

Gneiss (a high-grade metamorphic rock)

Quartz Crystal (Quartz (SiO₂)) — Mineral

Quartz Crystal

Quartz (SiO₂)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

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

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Banded Agate (Cryptocrystalline Silicon Dioxide (SiO2)) — mineral

Banded Agate

Cryptocrystalline Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Citrine (Silicon dioxide (SiO2)) — mineral

Citrine

Silicon dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Sunstone (Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)) — mineral

Sunstone

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

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

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

Citrine (Quartz variant)

SiO2 (Silicon Dioxide)

Banded Agate (Agate (Silicon Dioxide / SiO2)) — mineral

Banded Agate

Agate (Silicon Dioxide / SiO2)

Petrified Wood (Silicified Wood (SiO2)) — metamorphic

Petrified Wood

Silicified Wood (SiO2)

White Marble (Recrystallized Calcite (CaCO3)) — metamorphic

White Marble

Recrystallized Calcite (CaCO3)

Quartz (Quartz (SiO2, Silicon Dioxide)) — Mineral

Quartz

Quartz (SiO2, Silicon Dioxide)

Quartz (possibly milky quartz) (Quartz (Silica; SiO₂)) — Mineral

Quartz (possibly milky quartz)

Quartz (Silica; SiO₂)

Quartz (Quartz (SiO₂)) — Mineral

Quartz

Quartz (SiO₂)

Quartz (Quartz (Silicon Dioxide, SiO2)) — Mineral

Quartz

Quartz (Silicon Dioxide, SiO2)

Jasper with Epidote (Silicon Dioxide (SiO2) with Calcium Aluminum Iron Sorosilicate [Ca2Al2Fe3+Si3O12(OH)]) — sedimentary/metamorphic

Jasper with Epidote

Silicon Dioxide (SiO2) with Calcium Aluminum Iron Sorosilicate [Ca2Al2Fe3+Si3O12(OH)]

sedimentary/metamorphic

Carnelian (Carnelian (a variety of Chalcedony, SiO2)) — Mineral

Carnelian

Carnelian (a variety of Chalcedony, SiO2)

Red Jasper (Banded Jasper) (Silicon Dioxide (SiO2) with Hematite impurities) — sedimentary

Red Jasper (Banded Jasper)

Silicon Dioxide (SiO2) with Hematite impurities

Smoky Quartz (Silicon Dioxide (SiO₂)) — mineral

Smoky Quartz

Silicon Dioxide (SiO₂)

Green Tourmaline (Elbaite - Na(Li1.5Al1.5)Al6Si6O18(BO3)3(OH)4) — mineral

Green Tourmaline

Elbaite - Na(Li1.5Al1.5)Al6Si6O18(BO3)3(OH)4

Black Tourmaline (Schorl (Sodium Iron Aluminum Borosilicate Hydroxide)) — mineral

Black Tourmaline

Schorl (Sodium Iron Aluminum Borosilicate Hydroxide)

Smoky Quartz (Silicon Dioxide (SiO2) with aluminum impurities) — mineral

Smoky Quartz

Silicon Dioxide (SiO2) with aluminum impurities

River Quartz Pitting/Cobble (Silicon Dioxide (SiO2)) — mineral

River Quartz Pitting/Cobble

Silicon Dioxide (SiO2)

Citrine Quartz (Crystalline Quartz (SiO2 with iron impurities)) — mineral

Citrine Quartz

Crystalline Quartz (SiO2 with iron impurities)

Smoky Quartz (Smoky Quartz (SiO2: Silicon Dioxide)) — mineral

Smoky Quartz

Smoky Quartz (SiO2: Silicon Dioxide)

Smoky Quartz (Tumbled) (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz (Tumbled)

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

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

Smoky Quartz

Smoky Quartz (Silicon Dioxide - SiO2)

Sunstone (Oligoclase (Feldspar variety), (Na,Ca)(Si,Al)4O8) — mineral

Sunstone

Oligoclase (Feldspar variety), (Na,Ca)(Si,Al)4O8

Smoky Quartz (SiO2 (Silicon Dioxide)) — mineral

Smoky Quartz

SiO2 (Silicon Dioxide)

Citrine Quartz (Silicon Dioxide (SiO2) with iron impurities) — mineral

Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Quartz (possibly Citrine or Smoky Quartz variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (possibly Citrine or Smoky Quartz variety)

Silicon Dioxide (SiO2)

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

Agate

Agate (Silicon Dioxide, SiO2)

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

Rhodonite

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

Jasper (Jasper / Silicon Dioxide (SiO₂)) — sedimentary

Jasper

Jasper / Silicon Dioxide (SiO₂)