Oyster shell fragment
Ostreidae shell; primarily calcite (CaCO₃)
Category
Browse igneous, metamorphic, sedimentary specimens identified by the Rock Identifier community.
Oyster shell fragment
Ostreidae shell; primarily calcite (CaCO₃)
Quartz (Tumbled)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz Boulder
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz Pebble (River Agate / Chalcedony)
Silicon Dioxide (SiO2)
Quartz (Iron-stained / Orange Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Quartz
Silicon dioxide (SiO2)
Quartz (Clear Quartz / Rose Quartz)
Silicon Dioxide (SiO2)
Quartz (Milky / Massive Quartz)
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Quartz with Iron Oxide
SiO2
Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz / Quartzite)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chakra Stone Bracelet
Mixed Mineral Assembly (Scoria, Amethyst, Lapis Lazuli, Turquoise/Howlite, Impression Jasper, Tiger's Eye, Carnelian, Red Jasper)
Magnetite (potentially Lodestone)
Magnetite (Iron(II,III) oxide, Fe3O4)
Blue Calcite
Calcium Carbonate (CaCO3)
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Clear Variety)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Clear Quartz
Silicon dioxide (SiO2)
Quartz Crystal Fragment
Silicon Dioxide (SiO2)