Tiger's Eye
Quartz pseudomorph after crocidolite (SiO2)
Category
Browse igneous, sedimentary, and metamorphic mix specimens identified by the Rock Identifier community.
Tiger's Eye
Quartz pseudomorph after crocidolite (SiO2)
Magnetite (Octahedral Crystal)
Magnetite (Fe3O4)
Magnetite
Magnetite (Fe3O4)
Limonite pseudomorph after pyrite
Goethite / Limonite pseudomorph after Pyrite (Fe3+O(OH) replacing FeS2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Tumbled Stone Collection (featuring Tiger's Eye, Rose Quartz, and Moss Agate)
Mixed Silicates and Oxides (predominantly SiO2 group minerals)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Magnetite (potentially Hematite)
Magnetite (Fe₃O₄)
Quartz (Milky/Smoky variety on matrix)
Silicon Dioxide (SiO2)
Red Quartz (Hematoid Quartz)
Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)
Quartz Pebble
Silicon Dioxide (SiO2)
Mixed Tumbled Quartz and Chlorite Quartz
Silicon Dioxide (SiO2) with inclusions
Blue Calcite
Calcium Carbonate (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Pebble)
Silicon Dioxide (SiO2)
Quartz Crystal Rock
Silicon Dioxide (SiO2)
Yellow Calcite
Calcium Carbonate, CaCO3
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Faceted)
SiO2 - Silicon Dioxide
Faceted Clear Quartz or Diamond Simulant
Silicon Dioxide (SiO2) if Quartz or Cubic Zirconia (ZrO2) if Synthetic
Conglomerate
Conglomerate
Zoisite with Ruby
Anyolite (Calcium aluminum hydroxy silicate with Corundum) Ca2Al3(SiO4)3(OH)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Chert (Jasper/Common Opal mix)
Microcrystalline Quartz (SiO2)
Fancy Jasper (Agate/Chert mix)
Silicon Dioxide (SiO2) with impurities
River Pebble (Greywacke or Chert mix)
Silicon Dioxide (SiO2) with varying mineral impurities
River Jasper (Chert/Chalcedony mix)
Silicon Dioxide (SiO2) with iron oxide and chlorite inclusions
River Stone (Chert/Basalt mix)
Microcrystalline Quartz (Chert) / Basalt
Brecciated Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Quartz Crystal
Silicon Dioxide (SiO2)
Galena
Lead Sulfide (PbS)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Agate/Jasper pebble)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)