Jasper and Chalcedony
Silicon Dioxide (SiO2) microcrystalline quartz
sedimentary
Category
Sedimentary (Jasper), Mineral (Aquamarine)
Browse sedimentary (jasper), mineral (aquamarine) specimens identified by the Rock Identifier community.
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Jasper and Chalcedony Composite
Silicon Dioxide (SiO2) microcrystalline quartz
sedimentary
Polished brecciated jasper
Brecciated jasper, an opaque microcrystalline quartz aggregate (SiO₂) with iron-oxide staining and cement
mineral
Black Jasper
Black Jasper (Silicate mineral - SiO2)
sedimentary
Jasper in Quartz / Brecciated Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
mineral
Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Polished jasper pebble
Jasper, microcrystalline quartz (SiO₂) with iron-oxide impurities
mineral
Dalmatian Jasper
Peralkaline rhyolite with arfvedsonite inclusions
igneous
Fancy Jasper
Silicon Dioxide (SiO2) with mineral inclusions
sedimentary
Tumbled jasper or agate
Microcrystalline quartz (SiO₂), likely jasper/chalcedony
mineral
Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Fancy Jasper
Agate (Silicon Dioxide, SiO2)
sedimentary
Zebra Jasper
Tetragonal Silicon Dioxide (Quartz) with impurities
sedimentary
Jasper
Silicon dioxide (SiO2)
Mineral / Sedimentary
Red Jasper (beads)
SiO₂ (Silicon Dioxide)
Mineral, variety of chalcedony (microcrystalline quartz)
Jasper
Silicon dioxide / Chalcedony (SiO2)
Sedimentary
Polished Stone Pendant (Identity Unclear)
Unknown (Possibly Jasper/Agate/Quartz mixture)
mineral
Jasper Pebble
SiO2 (Microcrystalline Quartz)
sedimentary
Green Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Jasper
Silicon Dioxide (SiO2) with impurities (mostly Iron Oxides)
Mineral
Jasper
Silicon Dioxide (Microcrystalline Quartz), SiO2
sedimentary
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide and silicate minerals
sedimentary
Polychrome Jasper
Silicon Dioxide (SiO2) with iron and other mineral inclusions
sedimentary
Kambaba Jasper
Stromatolite (Fossilized Algae within Microcrystalline Quartz)
sedimentary
Tumbled yellow jasper or chert
Microcrystalline quartz (SiO₂), likely iron-stained jasper/chert
mineral
Jasper
Silicon dioxide (SiO2)
sedimentary
Jasper
Silicon dioxide (SiO2) with iron oxide and clay inclusions
sedimentary
Polished brecciated jasper (likely ocean jasper or jasp-agate)
Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide impurities
mineral
Tumbled red jasper
Jasper, microcrystalline quartz (SiO₂) colored mainly by iron oxides
mineral
Band Agate / Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Jasper (Picture Jasper variety)
Silicon Dioxide (SiO2) with impurities
sedimentary
Banded jasper (likely brecciated jasper)
Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide and other mineral impurities
sedimentary
Jasper
Silicon dioxide (SiO2)
sedimentary
Red aventurine
Silicon Dioxide (SiO2) with Hematite/Goethite inclusions
metamorphic
Tumbled brown stone, possibly jasper or weathered chert
Uncertain; likely microcrystalline quartz (SiO₂), potentially iron-stained jasper/chert
mineral
Jasper
Silicon dioxide (SiO2)
sedimentary
Jasper
Silicon Dioxide (SiO2)
sedimentary
Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
sedimentary
Yellow Chert or Jasper
Silicon Dioxide (SiO2)
sedimentary
Polished/patinated jasper slab
Microcrystalline quartz (SiO₂), commonly chalcedony with iron-oxide and clay inclusions
sedimentary
Jasper
Jasper (Silica-rich Microcrystalline Quartz, SiO2)
sedimentary
Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary