Rock Identifier

Category

Sedimentary Or Metamorphic Derived

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

Smoky Quartz (Smoky Quartz (SiO2)) — mineral

Smoky Quartz

Smoky Quartz (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — Mineral / Sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Mineral / Sedimentary

River Pebbles and Quartz (Mixed Igneous, Sedimentary, and Metamorphic Rocks (Silicon Dioxide SiO2 dominant)) — mixed

River Pebbles and Quartz

Mixed Igneous, Sedimentary, and Metamorphic Rocks (Silicon Dioxide SiO2 dominant)

Quartz (likely Milky Quartz or Chalcedony) (Quartz (SiO2 - Silicon Dioxide)) — Mineral

Quartz (likely Milky Quartz or Chalcedony)

Quartz (SiO2 - Silicon Dioxide)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Moonstone (Orthoclase Feldspar (KAlSi3O8)) — mineral

Moonstone

Orthoclase Feldspar (KAlSi3O8)

Citrine Quartz (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz

Silicon Dioxide (SiO2)

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

Orange Quartz (Citrine or Iron-stained Quartz)

Silicon Dioxide (SiO2)

Citrine (likely Heat-Treated) (Quartz (Silicon Dioxide, SiO2)) — mineral

Citrine (likely Heat-Treated)

Quartz (Silicon Dioxide, SiO2)

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

Quartz (Milky or Cloudy variety)

Silicon Dioxide (SiO2)

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

Quartz

Quartz (SiO₂ - Silicon Dioxide)

Quartz (Quartz (SiO₂)) — mineral

Quartz

Quartz (SiO₂)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

Milky Quartz (Quartz (SiO2)) — Mineral

Milky Quartz

Quartz (SiO2)

Hematite (Hematite (Fe2O3)) — mineral

Hematite

Hematite (Fe2O3)

Pyrite (Pyrite (Iron sulfide, FeS₂)) — mineral

Pyrite

Pyrite (Iron sulfide, FeS₂)

Sunstone (Oligoclase or Andesine (Labradorite) Feldspar (Na,Ca)(Si,Al)4O8) — mineral

Sunstone

Oligoclase or Andesine (Labradorite) Feldspar (Na,Ca)(Si,Al)4O8

Opal (Hydrated Amorphous Silica (SiO2·nH2O)) — Mineral

Opal

Hydrated Amorphous Silica (SiO2·nH2O)

Quartz (various varieties) (SiO₂ (Silicon Dioxide)) — Mineral

Quartz (various varieties)

SiO₂ (Silicon Dioxide)

Quartzite (Milky) (Metamorphic rock predominantly composed of Quartz (SiO2)) — metamorphic

Quartzite (Milky)

Metamorphic rock predominantly composed of Quartz (SiO2)

Quartz with Mica (Schist/Pegmatite fragment) (Silicon Dioxide (SiO2) with Phyllosilicates (KAl2(AlSi3O10)(OH)2)) — igneous/metamorphic

Quartz with Mica (Schist/Pegmatite fragment)

Silicon Dioxide (SiO2) with Phyllosilicates (KAl2(AlSi3O10)(OH)2)

igneous/metamorphic

Apatite (Apatite Group (e.g., Fluorapatite Ca5(PO4)3F, Chlorapatite Ca5(PO4)3Cl, Hydroxylapatite Ca5(PO4)3(OH))) — mineral

Apatite

Apatite Group (e.g., Fluorapatite Ca5(PO4)3F, Chlorapatite Ca5(PO4)3Cl, Hydroxylapatite Ca5(PO4)3(OH))

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

Quartz

Quartz (SiO2 - Silicon Dioxide)

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

Quartz

Quartz (SiO₂ - Silicon Dioxide)

Quartz (Silicon dioxide (SiO₂)) — Mineral

Quartz

Silicon dioxide (SiO₂)

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

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

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

Quartz (Smoky/Milky variety)

Silicon Dioxide (SiO2)

Sapphire (Raw/Rough) (Corundum (Al2O3)) — mineral

Sapphire (Raw/Rough)

Corundum (Al2O3)

Silver (Native Element / Alloy) (Silver (Ag)) — mineral

Silver (Native Element / Alloy)

Silver (Ag)

Smoky Quartz (SiO2 (Silicon Dioxide)) — mineral

Smoky Quartz

SiO2 (Silicon Dioxide)

Amethyst (Faceted) (Silicon Dioxide with Iron impurities (SiO2)) — mineral

Amethyst (Faceted)

Silicon Dioxide with Iron impurities (SiO2)

Agate (translucent slice) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Agate (translucent slice)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Jasper (Iron-rich Chalcedony) (Jasper (Microcrystalline Silicon Dioxide, SiO2 plus iron oxide impurities)) — Sedimentary / Metamorphic

Jasper (Iron-rich Chalcedony)

Jasper (Microcrystalline Silicon Dioxide, SiO2 plus iron oxide impurities)

Sedimentary / Metamorphic

Sodalite (blue beads) and Clear Quartz (clear beads) (Sodalite: Na4Al3Si3O12Cl; Quartz: SiO2) — mineral

Sodalite (blue beads) and Clear Quartz (clear beads)

Sodalite: Na4Al3Si3O12Cl; Quartz: SiO2

Quartz (Silicon Dioxide (SiO₂)) — Mineral

Quartz

Silicon Dioxide (SiO₂)

Magnetite (Magnetite (Fe3O4)) — Mineral

Magnetite

Magnetite (Fe3O4)

Lapis Lazuli (Lapis Lazuli (a rock composed primarily of Lazurite)) — Metamorphic rock

Lapis Lazuli

Lapis Lazuli (a rock composed primarily of Lazurite)

Metamorphic rock

Quartz (Smoky/Grey Quartz Variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Grey Quartz Variant)

Silicon Dioxide (SiO2)

Smoky Quartz (with Hematite inclusions) (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz (with Hematite inclusions)

Silicon Dioxide (SiO2)

Silver (Sterling Silver) (Argentum (Ag) mixed with Copper (Cu); Formula: Ag+Cu) — mineral

Silver (Sterling Silver)

Argentum (Ag) mixed with Copper (Cu); Formula: Ag+Cu

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)