Sunstone
Oligoclase (a variety of Plagioclase Feldspar) - (Na,Ca)(Si,Al)4O8
Category
Browse not a rock (animated character) specimens identified by the Rock Identifier community.
Sunstone
Oligoclase (a variety of Plagioclase Feldspar) - (Na,Ca)(Si,Al)4O8
Botryoidal Chalcedony
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Vesicular Basalt
Basalt (Extrusive Mafic Igneous)
Pink Granite
Phaneritic Felsic Igneous Rock (Rich in K-Feldspar)
Turquoise
Turquoise (CuAl6(PO4)4(OH)8·4H2O)
Aventurine
Aventurine Quartz (SiO2 + Fuchsite mica)
Crinoid Stem Fossil
Class Crinoidea (Sea Lilies)
Quartz Pebble
Silicon Dioxide (SiO2)
Chert / Flint
Cryptocrystalline Quartz (SiO2)
Carnelian Agate
Silicon Dioxide (SiO2) - variety Carnelian (Chalcedony)
Amethyst
Silicon Dioxide with iron impurities (SiO2)
Amethyst
Amethyst (Silicon Dioxide, SiO2)
Amethyst
Silicon Dioxide (SiO2) with trace Iron impurities
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Amethyst
Quartz (Silicon Dioxide with iron impurities), SiO2
Moss Agate
Chalcedony (SiO2) with inclusions of manganese or iron oxide
Banded Gneiss
Gneiss (Metamorphic high-grade rock)
Sandstone
Arenite (primarily SiO2)
Limonite (often after Hematite or Goethite)
Limonite (FeO(OH)·nH2O)
Amethyst (Rough)
Silicon Dioxide (SiO2) with iron impurities
Amethyst with Quartz Vein
SiO2 (Silicon Dioxide)
Quartzite
Quartzite (SiO2)
Sandstone
Quartz Arenite (a type of sandstone composed of more than 90% quartz)
Breccia
Clastic Breccia
Moss Agate with Quartz Druzy
Chalcedony with inclusions (SiO2)
Dalmatian Stone
Dalmatian Jasper (Aplitic Rock)
Carnelian
Carnelian (Silicon Dioxide: SiO2)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Orca Agate
Chalcedony (Microcrystalline Quartz, SiO2)
Blue Lace Agate
Silicon Dioxide (SiO2) - Chalcedony / Quartz
Agate (Carnelian-like)
Chalcedony (Silicon Dioxide, SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Banded Calcite (often sold as 'Travertine' or 'Mexican Onyx')
Calcium Carbonate (CaCO3)
Quartz (Milky or Smoky Quartz Pebble)
Silicon Dioxide (SiO2)
Dendritic Agate (specifically Orange/Tumbled)
Silicon Dioxide (SiO2) with Oxide Inclusions
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Jasper
Silicon dioxide (SiO2)
Quartzite
Quartzite
Rose Quartz
Silicon Dioxide (SiO2)
Milky Quartz (with potential inclusion)
Silicon Dioxide (SiO2)
Porphyritic Rhyolite
Rhyolite (Porphyritic)