Amethyst (Raw Quartz)
Silicon Dioxide (SiO2) with iron impurities
Category
Browse not a rock (animated character) specimens identified by the Rock Identifier community.
Amethyst (Raw Quartz)
Silicon Dioxide (SiO2) with iron impurities
Pyrite
Iron Sulfide (FeS2)
Red Jasper
Jasper (Silicate mineral - SiO2)
Yellow Jasper
Silicon Dioxide (SiO2)
Granite
Phaneritic plutonic rock (primarily Quartz, Feldspar, and Mica)
Amethyst
Silicon Dioxide with iron impurities (SiO2)
Amazonite
Amazonite (KAlSi3O8)
Bauxite
Bauxite (Al(OH)3, γ-AlO(OH), and α-AlO(OH))
Moss Agate
Silicon dioxide (SiO2) with mineral inclusions
Quartz (Citrine variety)
Silicon Dioxide (SiO2)
Blue Chalcedony and Picture Jasper Beads
Blue Chalcedony (SiO2), Picture Jasper (SiO2)
Diorite
Diorite
Basalt (River Stone/Pebble)
Basalt (Extrusive Igneous Rock)
Agate
Cryptocrystalline quartz (SiO2)
Gneiss
Gneiss
Amethyst Quartz
Silicon Dioxide (SiO2) with iron impurities
Banded Agate (specifically Carnelian Agate)
Silicon Dioxide (SiO2)
Carnelian Agate
Silicon Dioxide (SiO₂)
Amethyst (Quartz variety)
Silicon Dioxide (SiO2)
Serpentine, likely a variety of Chrysoprase (green chalcedony) or a similar translucent green mineral.
Serpentine Group Minerals (e.g., Antigorite, Lizardite) or Chalcedony (SiO2) with nickel impurities for Chrysoprase green.
Bauxite
Bauxite (Principal ore of aluminum; mixture of minerals including Gibbsite Al(OH)3, Boehmite and Diaspore AlO(OH))
Quartzite
Quartzite (SiO2)
Green Quartzite
Quartzite (SiO2 with inclusions)
Amethyst
Silicon Dioxide (SiO2) with trace Iron (Fe3+)
Moonstone
Orthoclase Feldspar (containing Albite lamellae), (KAlSi3O8)
Basalt Pebble
Extrusive Mafic Igneous Rock
Dalmatian Stone
Dalmatian Jasper (a misnomer for an Aplite with Arfvedsonite spots)
Snowflake Obsidian
Spherulitic Volcanic Glass (primarily SiO2 with Cristobalite inclusions)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Diabase
Diabase (Dolerite)
Quartzite
Quartzite (primarily SiO2)
Red Sandstone
Arenite (Ferruginous Sandstone)
Vesicular Basalt
Extrusive mafic igneous rock
River Siltstone / Mudstone Pebble
Siltstone (composed of mixed silicate and carbonate minerals)
Sandstone (Ferruginous)
Arenite with Iron Oxide cement (SiO2 + Fe2O3)
Basalt
Basalt (Mafic volcanic rock)
Yellow Quartzite
Quartzite (primarily SiO2)
Unakite Gneiss
Metasomatic Granitoid (variety Unakite)
Hemimorphite
Hemimorphite (Zn4Si2O7(OH)2·H2O)
Granite
Granite (a felsic intrusive igneous rock)
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony