Brecciated Jasper
Silicon Dioxide (SiO2) with iron impurities
Category
Browse sedimentary (jasper), mineral (aquamarine) specimens identified by the Rock Identifier community.
Brecciated Jasper
Silicon Dioxide (SiO2) with iron impurities
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Limonite inclusions
Red Jasper
Silicon dioxide (SiO2) with iron oxide inclusions
Red-and-blue jasper (likely ocean jasper or dyed/polished jasper)
Microcrystalline quartz, chiefly SiO₂; jasper is an opaque chalcedony variety colored by iron oxides and other impurities
Yellow Jasper
Silicon Dioxide (SiO2) - variety Jasper
Brecciated Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Polished red jasper
Jasper, microcrystalline quartz (SiO₂) colored mainly by iron oxides
Faceted golden beryl (likely heliodor)
Beryl, Be₃Al₂Si₆O₁₈; yellow color from iron impurities
Chert (Jasper)
Silicon Dioxide (SiO2)
Dalmation Stone (often called Dalmatian Jasper)
Peralkaline Rock (Microgranite/Aplite), SiO2 with inclusions of Arfvedsonite
Tumbled red jasper
Microcrystalline quartz (chalcedony), predominantly SiO₂, colored by iron oxides
Jasper
Silicon Dioxide (Microcrystalline Quartz, $SiO_2$)
Red Jasper
Microcrystalline Quartz (Chalcedony), SiO2
Polished banded stone, likely zebra jasper
Zebra jasper (banded microcrystalline quartz, chiefly SiO₂, with iron-oxide and carbonate impurities)
Jasper
Jasper (Silicon Dioxide, SiO2)
Tumbled brecciated jasper
Silica-rich microcrystalline quartz/chalcedony (SiO₂), with iron-oxide and other mineral inclusions
Jasper
Silicon dioxide (SiO2)
Puddingstone (Gowganda Tillite/Lorrain Quartzite)
Jasper Conglomerate
Jasper (likely brecciated jasper)
Microcrystalline quartz/chalcedony, SiO₂, colored by iron oxides
Breciated Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Yellow Jasper
Silicon Dioxide (SiO2) with goethite or iron oxide inclusions
Blue topaz pendant
Topaz (Al₂SiO₄(F,OH)₂), likely treated blue topaz
Red Jasper
Silicon Dioxide with Iron Oxide impurities (SiO2)
Jasper
Silicon Dioxide (Microcrystalline Quartz)
Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Yellow Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions), SiO2
Jasper
Jasper (Silicon Dioxide, SiO2)
Tumbled jasper (likely red/brown jasper)
Microcrystalline quartz/chalcedony, SiO₂, colored by iron oxides
Jasper
Silicon Dioxide (SiO2) with impurities
Fancy Jasper
Chalcedony (cryptocrystalline quartz) with inclusions
Yellow Jasper
Silicon dioxide, SiO2
Jasper (River pebble)
Jasper / Silicon Dioxide (SiO2)
Yellow Jasper
SiO2 (Silicon Dioxide)
Polychrome Jasper
Silicon Dioxide (SiO2) with iron and other mineral inclusions
Zebra Jasper
Tumbled Opaque Chalcedony (SiO2)
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide and mineral impurities
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with iron and other impurities
Jasper-Agate
Silicon Dioxide (SiO2)
Polished jasper pebble
Jasper, microcrystalline quartz (SiO₂) with iron-oxide impurities
Dalmatian Stone
Peralkaline Quartz-Feldspar Porphyry with Arfvedsonite
Jasper
Jasper (Silicon Dioxide, SiO2)