Mineralish (Variety Of Chalcedony)

Jasper River Stone

Silicon Dioxide (SiO2) with iron oxide inclusions

Polished orange agate or chalcedony

Microcrystalline quartz (SiO₂), likely iron-stained chalcedony/agate

Tumbled carnelian (likely)

Orange-red chalcedony, microcrystalline quartz (SiO₂)

Jasper River Stone

Silicon Dioxide (SiO2) with iron oxide inclusions

Yellow Jasper

Silicon Dioxide with Limonite (SiO2 + FeO(OH)·nH2O)

Yellow Chalcedony (Agate/Carnelian)

Silicon Dioxide (SiO2)

Jasper

Silicon dioxide (SiO2) with impurities

Red Jasper

Jasper (Silicon Dioxide, SiO2)

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Yellow Jasper

Silicon Dioxide (SiO2) with goethite or limonite inclusions

Yellow Jasper

Silicon Dioxide (SiO2) with iron inclusions

Chert (Jasper variety)

Microcrystalline Quartz (SiO2)

Gray Agate

Cryptocrystalline Quartz (SiO2)

Red Jasper

Silicon Dioxide (SiO2) containing Iron Oxide impurities

Agate

SiO2

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Tumbled pale-yellow chalcedony (possibly yellow jasper)

Microcrystalline quartz, SiO₂; chalcedony/jasper varieties

Blue Lace Agate

Cryptocrystalline variety of Quartz (SiO2)

Tumbled red jasper

Jasper, microcrystalline quartz (SiO₂), commonly colored by iron oxides

Geode with Quartz and possibly Jasper/Hematite

Quartz (SiO2) and Chalcedony (cryptocrystalline SiO2), possibly stained by iron oxides

Red/orange chalcedony (carnelian), possibly dyed or heat-treated

Chalcedony, cryptocrystalline SiO₂ (quartz variety)

Tumbled chalcedony (likely carnelian or common agate)

Microcrystalline quartz, SiO₂; chalcedony variety

Ocean Jasper (Orbicular Jasper)

Spherulitic Chalcedony (SiO2)

Polished banded agate (likely carnelian and black agate)

Chalcedony, microcrystalline quartz (SiO₂), with iron-oxide coloration

Chalcedony (probably agate or common quartz)

Microcrystalline quartz, SiO₂

Tumbled carnelian agate

Cryptocrystalline quartz (SiO₂), chalcedony variety with iron-oxide coloration

Tumbled honey-brown chalcedony (likely common quartz)

Microcrystalline quartz, SiO₂; possibly iron-stained chalcedony or low-grade agate

Polished agate/jasper pebble

Microcrystalline quartz (chalcedony), SiO₂, with iron-oxide staining

Tumbled orange chalcedony or carnelian

Microcrystalline quartz (SiO₂), commonly iron-stained chalcedony; carnelian variety

Polished jasper pebble (possibly orbicular jasper)

Microcrystalline quartz (SiO₂), likely jasper; exact variety cannot be confirmed visually

Blue chalcedony cabochon

Microcrystalline quartz (SiO₂), chalcedony variety

Tumbled agate or chalcedony pebble

Microcrystalline quartz (SiO₂), likely agate/chalcedony

Orange chalcedony (possibly carnelian)

Microcrystalline quartz, SiO₂; iron-oxide-bearing chalcedony

Honey/brown agate (chalcedony)

Microcrystalline quartz, SiO₂; likely translucent agate or chalcedony

Agate (Chalcedony)

Silicon Dioxide (SiO2)

Carnelian (Chalcedony)

Silicon Dioxide (SiO2)

Ocean Jasper

Spherulitic Chalcedony (SiO2)

Tumbled brown chalcedony (likely smoky quartz or agate)

Chalcedony, microcrystalline SiO₂; exact variety cannot be confirmed visually

Jasper (likely brecciated jasper)

Microcrystalline quartz/chalcedony, SiO₂, colored by iron oxides

Polished chalcedony (likely moss or dendritic agate)

Microcrystalline quartz, SiO₂, with iron/manganese oxide inclusions