Polished chrysoprase (likely dyed or treated)
Chalcedony, cryptocrystalline quartz (SiO₂), colored green by nickel
Category
Browse mineralish (variety of chalcedony) specimens identified by the Rock Identifier community.
Polished chrysoprase (likely dyed or treated)
Chalcedony, cryptocrystalline quartz (SiO₂), colored green by nickel
Tumbled jasper (likely brecciated or leopard jasper)
Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide inclusions
Tumbled yellow-brown jasper
Jasper, microcrystalline quartz (SiO₂) with iron-oxide impurities
Tumbled jasper or chalcedony
Microcrystalline quartz (SiO₂), probably iron-stained jasper/chalcedony
Polished carnelian/chalcedony agate
Microcrystalline quartz (SiO₂), chiefly chalcedony with iron-oxide coloring
Red jasper (likely brecciated or orbicular jasper)
Microcrystalline quartz, SiO₂, colored mainly by iron oxides
Brecciated jasper (likely ocean jasper or red jasper)
Microcrystalline quartz, SiO₂, with iron-oxide pigments and breccia cement
Polished blue banded agate slice
Chalcedony (microcrystalline quartz), SiO₂, commonly with trace iron and other coloring elements
Agate Nodule / Chalcedony
Silicon Dioxide (SiO2)
Green Chalcedony Ring
Silicon Dioxide (SiO2)
Agate Nodule / Chalcedony
Silicon Dioxide (SiO2)
Quartz Geode Fragment
Silicon dioxide (SiO2) within a nodule
Jasper (Chert)
Silicon Dioxide (SiO2) with iron oxide inclusions
Banded Agate (Tumbled)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Red Jasper
SiO2 (Silicon Dioxide with Iron Oxide inclusions)
Carnelian (Agate)
SiO2 (Silicon Dioxide) with Iron Oxide impurities
Blue Lace Agate (Tumbled)
Silicon Dioxide (SiO2) with trace minerals
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Green Calcite (Onyx Marble)
Carbonate mineral (Calcium Carbonate, CaCO3)
Blue Lace Agate (Polished Point)
Silicon Dioxide (SiO2)
Red Jasper
Silicon dioxide (SiO2) with hematite (Fe2O3) inclusions
Carnelian Agate
SiO2 (Silicon Dioxide) with Iron Oxide impurities
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper River Pebble
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Yellow Jasper
Silicon Dioxide (SiO2)
Jasper (Cream/Yellow variety)
Jasper (Microcrystalline Quartz, SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Iron oxide inclusions
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Red Jasper (River Pebble)
Silicon Dioxide (SiO2) with hematite impurities
Banded Agate (Agatized Geode Slice)
Silicon Dioxide (SiO₂)
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
Jasper
Silicon dioxide (SiO2)
Jasper
Silicon dioxide (SiO2)
Green Jasper
Silicon dioxide (SiO2)
Jasper
Silicon dioxide (SiO2) with iron impurities
Yellow Jasper
Silicon Dioxide (SiO2) with goethite or limonite inclusions
Red Jasper
Silicon dioxide (microcrystalline quartz with iron oxide inclusions), SiO2
Orange Quartz (or Tumbled Carnelian)
Silicon Dioxide (SiO2) with iron oxide inclusions
Chalcedony (Botryoidal/Agate nodule)
Microcrystalline Quartz (SiO2)
Jasper
Silicon dioxide (SiO2)