Banded Agate (Tumbled)
Agate (Silicon Dioxide, SiO2 - Cryptocrystalline Quartz)
mineral
Category
Not A Rock (Animated Character)
Browse not a rock (animated character) specimens identified by the Rock Identifier community.
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
metamorphic
Druzy Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Grey Agate (Banded Chalcedony)
Agate (Silicon Dioxide - SiO2)
mineral
Banded Iron Formation (BIF)
Banded Iron Formation with Hematite and Jasper
sedimentary
Black Tourmaline
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide), NaFe3Al6(BO3)3Si6O18(OH)4
mineral
Serpentine with Quartz Vein
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4 with SiO2 veins
metamorphic
Quartz (Druzy Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Gneiss
Metamorphic rock of high-grade regional metamorphism
metamorphic
Corundum (Sapphire/Ruby in Matrix)
Aluminium oxide (Al2O3)
mineral
Eudialyte
Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Red Granite
Phaneritic Plutonic Rock (High Potassium Feldspar)
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon dioxide (SiO2) with impurities
sedimentary
River Rocks (Black)
Various lithologies (e.g., basalt, chert, obsidian for black varieties), mechanically rounded clasts
Sedimentary
Turquoise
Turquoise (Hydrated phosphate of copper and aluminium), CuAl6(PO4)4(OH)8·4H2O
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Green Aventurine
Silicon Dioxide (Quartz) with Fuchsite inclusions (K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Granodiorite
Granodiorite
igneous
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Chert (specifically Gray/Blue-Gray Chert)
Chert (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Lunar Meteorite (Feldspathic Breccia)
Achondrite, Lunar Meteorite (Feldspathic Breccia)
igneous
Chert (specifically Pink/Tan Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Quartzite (Yellow/Orange variety)
Quartzite (composed primarily of Silica, SiO2)
metamorphic
Dyed Dalmatian Jasper (Dalmatian Stone)
Perthitic Feldspar with Arfvedsonite inclusions
igneous
Amber
Fossilized Tree Resin (C10H16O)
mineral
Quartzite (River Cobble)
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Yellow Aventurine
Silicon Dioxide (Quartz) with inclusions (SiO2)
Metamorphic rock
Ironstone Nodule (Ironstone Concretion)
Siderite-rich Mudstone (FeCO3) or Limonite (FeO(OH)·nH2O)
sedimentary
Serpentine
Antigorite, Lizardite, or Chrysotile (Mg,Fe)3Si2O5(OH)4
metamorphic
Sandstone
Quartz Sandstone (predominantly)
Sedimentary
Quartzite
Quartzite (SiO2)
metamorphic
Chert (Arrowhead variety)
Chert (SiO2)
sedimentary
Dalmatian Stone (often called Dalmatian Jasper)
Peralkaline Quartz-Feldspar Rock with Arfvedsonite (formerly believed to be Jasper)
igneous
Yellow Quartzite (River Pebble)
Quartzite (primarily SiO2)
metamorphic
Fuchsite in Quartz (Aventurine Quartz)
K(Al,Cr)2(AlSi3O10)(OH)2 (Fuchsite) + SiO2 (Quartz)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral