Chert (Flint / Quartz Nodule)
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary (artificial) specimens identified by the Rock Identifier community.
Chert (Flint / Quartz Nodule)
Microcrystalline Quartz (SiO2)
Druzy Quartz on Sandstone
Silicon Dioxide (SiO2) on Sedimentary Host Rock
Quartz Pebble
Silicon Dioxide (SiO2)
Limonite
FeO(OH)·nH2O
Yellow Calcite
Calcium Carbonate (CaCO3)
Jasper
Microcrystalline Quartz (SiO2)
Eye Agate
Chalcedony (SiO2)
Mixed Rock Collection (Pebbles and Stones)
Various geological specimens
Green Calcite
Calcium Carbonate (CaCO3)
White Quartz
Silicon Dioxide (SiO2)
Agate
Silicon Dioxide (Chalcedony), SiO2
Satin Spar Selenite
Gypsum (CaSO4·2H2O)
Quartz Crystal
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Fluorite Bracelet
Calcium Fluoride (CaF2)
Quartz
Silicon Dioxide (SiO2)
Yellow Quartz
Silicon Dioxide (SiO2)
Blue Quartz
Silicon Dioxide (SiO2) with inclusions
Pyrite in Quartz
Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)
Black Onyx
Chalcedony (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Jasper
Microcrystalline Quartz (SiO2)
White Quartz
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Chalcedony (Agate/Jasper Nodule)
Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Black Onyx
Chalcedony (SiO2)
Quartz (Raw Specimen)
Silicon Dioxide (SiO2)
Agate
Silicon Dioxide (Chalcedony), SiO2
Agate Nodule
Chalcedony (SiO2)
Agate Nodule
Silicon dioxide (Chalcedony/Quartz), SiO2
Quartz
Silicon Dioxide (SiO2)
Blue Chalcedony (Moonstone-like / Agate)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Quartz (Pebble)
Silicon Dioxide (SiO2)
Chert / Flint
Microcrystalline Quartz (SiO2)
Chert / Flint
Microcrystalline Quartz (SiO2)
Banded Agate
Silicon Dioxide (SiO2)
Red Jasper (Polished Point Pendant)
Silicon Dioxide with Iron Oxide impurities (SiO2 + Fe2O3)