Tumbled jasper or chalcedony
Microcrystalline quartz (SiO₂), probably iron-stained jasper/chalcedony
mineral
Category
Sedimentary (Jasper), Mineral (Aquamarine)
Browse sedimentary (jasper), mineral (aquamarine) specimens identified by the Rock Identifier community.
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Jasper
Silicon dioxide (SiO2)
sedimentary
Jasper
Silicon dioxide (SiO2)
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
mineral
Tumbled blue-green stone, possibly aquamarine or chalcedony
Indeterminate from image; possibilities include beryl (Be₃Al₂Si₆O₁₈) or cryptocrystalline quartz (SiO₂)
gemstone
Jasper or Agate
Silicon dioxide (SiO2)
Mineral
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Polished orbicular jasper
Orbicular jasper, an opaque microcrystalline quartz (SiO₂) aggregate with iron-oxide and other mineral inclusions
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Polished orbicular jasper or rhyolitic jasper
Silica-rich microcrystalline quartz/chalcedony (SiO₂), likely jasper with contrasting mineral veins
gemstone
Jasper (Zebra Jasper)
Silicon Dioxide (SiO2) with impurities
sedimentary
Red Jasper with Quartz Veining
Jasper (Silicon Dioxide, SiO2) with Quartz (SiO2) inclusions
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) - Impure Cryptocrystalline Quartz
sedimentary
Polished ocean jasper (orbicular jasper)
Orbicular jasper; chiefly microcrystalline quartz (SiO₂) with chalcedony, iron oxides, and accessory minerals
sedimentary
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Red Jasper (or Banded Jasper)
Silicon Dioxide (SiO2 with Hematite impurities)
mineral
Fancy Jasper (Ocean Jasper or River Jasper variant)
Silicon Dioxide with inclusions (SiO2)
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
mineral
Fancy Jasper
Silicon Dioxide (SiO2)
mineral
Tumbled brown jasper
Microcrystalline quartz (chalcedony), chiefly SiO₂, with iron-oxide impurities
mineral
Dalmatian Stone
Peralkaline rhyolite with arfvedsonite (formerly incorrectly called Dalmatian Jasper)
igneous
Jasper
SiO2 (Cryptocrystalline quartz)
mineral
Polished Ocean Jasper (likely orbicular jasper)
Microcrystalline quartz/chalcedony (SiO₂) with iron oxides and other accessory minerals
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with iron impurities
mineral
Red-and-black jasper
Jasper, an opaque microcrystalline quartz variety (SiO₂), colored by iron oxides
metamorphic
Jasper
Microcrystalline Quartz (SiO2)
gemstone
Polished orbicular jasper
Jasper, microcrystalline quartz (SiO₂), with iron oxides and altered volcanic inclusions
metamorphic
Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Tumbled brown jasper
Jasper, microcrystalline quartz (SiO₂), commonly colored by iron oxides
mineral
Jasper with Agate Inclusions
Silicon Dioxide (SiO2)
sedimentary
Red jasper
Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides
mineral
Tumbled brown jasper
Microcrystalline quartz (SiO₂), chiefly chalcedony with iron-oxide pigments
mineral
Jasper
Silicon dioxide (Quartz variety), SiO2
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with iron hydroxides
sedimentary
Multicolored beryl gemstone bracelet
Beryl, Be₃Al₂Si₆O₁₈; likely mixed aquamarine, morganite, heliodor, and green beryl beads
gemstone
Jasper in Calcite / Brecciated Jasper
Silicon dioxide with calcium carbonate (SiO2 with CaCO3)
sedimentary
Tumbled jasper
Microcrystalline quartz (SiO₂), commonly iron-stained chalcedony/jasper
mineral
Tumbled brown-and-cream stone, likely jasper or chert
Microcrystalline quartz (SiO₂), probably jasper/chert; exact identification requires testing
mineral
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Polished carnelian jasper / brecciated jasper
Microcrystalline quartz (SiO₂), chalcedony with iron-oxide pigments and opaque jasper fragments
gemstone