Rock Identifier

Category

Sedimentary Or Metamorphic Derived

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

Quartz (Amethyst variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Amethyst variety)

Silicon Dioxide (SiO2)

Rutilated Quartz (with Garnet pendant) (Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions) — mineral

Rutilated Quartz (with Garnet pendant)

Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions

Green Aventurine (SiO2 (Silicon Dioxide with inclusions of Fuchsite mica)) — mineral

Green Aventurine

SiO2 (Silicon Dioxide with inclusions of Fuchsite mica)

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

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Alexandrite in Matrix (Chrysoberyl (BeAl2O4 with Chromium)) — mineral

Alexandrite in Matrix

Chrysoberyl (BeAl2O4 with Chromium)

Ruby in Fuchsite (Cr-rich Muscovite (Fuchsite) with Corundum (Ruby)) — metamorphic

Ruby in Fuchsite

Cr-rich Muscovite (Fuchsite) with Corundum (Ruby)

Aventurine (Silicon Dioxide (SiO2) with inclusions) — mineral

Aventurine

Silicon Dioxide (SiO2) with inclusions

Amazonite (K(AlSi3O8) - Microcline variant) — mineral

Amazonite

K(AlSi3O8) - Microcline variant

Yellow Jade (Nephrite or Jadeite) (Nephrite: Ca2(Mg, Fe)5Si8O22(OH)2; Jadeite: NaAlSi2O6) — metamorphic

Yellow Jade (Nephrite or Jadeite)

Nephrite: Ca2(Mg, Fe)5Si8O22(OH)2; Jadeite: NaAlSi2O6

Milky Quartz (Silicon dioxide (SiO2)) — mineral

Milky Quartz

Silicon dioxide (SiO2)

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

Citrine

Crystalline Quartz (SiO2) with iron impurities

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

Milky Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Aventurine (Silicon Dioxide (SiO2) with Fuchsite inclusions) — metamorphic

Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Jadeite (Jadeite (NaAlSi2O6)) — metamorphic

Jadeite

Jadeite (NaAlSi2O6)

Aventurine (Green) (Aventurine Quartz (SiO2 + Fuchsite inclusions)) — mineral

Aventurine (Green)

Aventurine Quartz (SiO2 + Fuchsite inclusions)

Grey Agate (Silicon Dioxide (SiO2) - variety: Agate/Chalcedony) — mineral

Grey Agate

Silicon Dioxide (SiO2) - variety: Agate/Chalcedony

Rutilated Quartz (Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions) — mineral

Rutilated Quartz

Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions

Blue Sapphire (Tumbled/Polished) (Corundum (Al2O3)) — mineral

Blue Sapphire (Tumbled/Polished)

Corundum (Al2O3)

Yellow Quartz (Citrine Quartzite) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine Quartzite)

Silicon Dioxide (SiO2)

White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)

Schorl (Black Tourmaline) (NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl)) — mineral

Schorl (Black Tourmaline)

NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl)

Tiger's Eye (Rough) (Macrocrystalline Quartz (SiO2 with inclusions of Crocidolite)) — mineral

Tiger's Eye (Rough)

Macrocrystalline Quartz (SiO2 with inclusions of Crocidolite)

Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Agate

Cryptocrystalline Quartz (SiO2)

Man-made Carved Stone (Scream Mask/Skull motif) (Carved Soapstone or Serpentine-rich rock) — Anthropogenic (Man-made artifact)

Man-made Carved Stone (Scream Mask/Skull motif)

Carved Soapstone or Serpentine-rich rock

Anthropogenic (Man-made artifact)

Serpentine (Serpentine group ((Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)) — metamorphic

Serpentine

Serpentine group ((Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)

Lapis Lazuli (Lazurite-rich metamorphic rock) — metamorphic

Lapis Lazuli

Lazurite-rich metamorphic rock

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

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

Quartz (River Cobble)

Silicon Dioxide (SiO2)

Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Jadeite (Jade) (Jadeite, NaAlSi2O6) — metamorphic

Jadeite (Jade)

Jadeite, NaAlSi2O6

Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Garnet (almandine or pyrope variety) (Silicate mineral Group: (Fe, Mg, Mn, Ca)3(Al, Fe, Cr)2(SiO4)3) — mineral

Garnet (almandine or pyrope variety)

Silicate mineral Group: (Fe, Mg, Mn, Ca)3(Al, Fe, Cr)2(SiO4)3

Plagioclase Feldspar (specifically Albite/Oligoclase) ((Na,Ca)(Si,Al)4O8) — mineral

Plagioclase Feldspar (specifically Albite/Oligoclase)

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

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Moonstone (Orthoclase Feldspar (formula: (K,Na)AlSi3O8)) — mineral

Moonstone

Orthoclase Feldspar (formula: (K,Na)AlSi3O8)

Yellow Quartz (Citrine or Iron-Stained Quartz) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine or Iron-Stained Quartz)

Silicon Dioxide (SiO2)

Citrine Quartz (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz

Silicon Dioxide (SiO2)

Red Garnet (Pyrope-Almandine series (Mg3Al2(SiO4)3 to Fe3Al2(SiO4)3)) — mineral

Red Garnet

Pyrope-Almandine series (Mg3Al2(SiO4)3 to Fe3Al2(SiO4)3)

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

Quartz (Milky or White Quartz)

Silicon Dioxide (SiO2)

Corundum (Sapphire/Ruby in Matrix) (Aluminium oxide (Al2O3)) — mineral

Corundum (Sapphire/Ruby in Matrix)

Aluminium oxide (Al2O3)