Polished yellow-orange chalcedony (likely carnelian)
Microcrystalline quartz, SiO₂; iron-bearing variety commonly called carnelian
mineral
Category
Mineral (Specifically A Variety Of Chalcedony, Which Is A Cryptocrystalline Quartz)
Browse mineral (specifically a variety of chalcedony, which is a cryptocrystalline quartz) specimens identified by the Rock Identifier community.
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Jasper (Red and Yellow Jasper)
SiO2 (Silicon Dioxide) with Iron Oxide inclusions
sedimentary
Red Jasper (Chert)
Silicon dioxide (SiO2) with iron oxide inclusions
sedimentary
Tumbled carnelian
Carnelian, orange-red chalcedony (microcrystalline quartz, SiO₂)
gemstone
Carnelian
Chalcedony (cryptocrystalline quartz), SiO2
Mineral
Red Jasper
Jasper (a variety of Chalcedony, SiO₂ with iron oxide inclusions)
Mineral
Jasper and Quartz Pebble
Silicon Dioxide (SiO2) microcrystalline quartz variety
sedimentary
Agate (specifically Botswana or Lake Superior style chalcedony)
Silicon Dioxide (SiO2)
mineral
Bloodstone
Heliotrope
Mineral
Ocean Jasper
Orbicular Jasper (variety of Chalcedony/Quartz, SiO2)
sedimentary
Fancy Jasper
Silicon Dioxide (SiO2) with mineral inclusions
sedimentary
Chert (Agatized/Chalcedony variety)
Microcrystalline Quartz (SiO2)
sedimentary
Red Jasper with Quartz
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Leopard Skin Jasper
Chalcedony (cryptocrystalline quartz) with inclusions
Mineral
Red Jasper (beads)
Silicon Dioxide (SiO2) with iron inclusions
Sedimentary Rock
Dalmatian jasper (Dalmatian stone)
Feldspar-rich porphyritic igneous rock, commonly sold as Dalmatian jasper; dark spots are mainly amphibole and/or tourmaline minerals
igneous
Tumbled agate or chalcedony
Microcrystalline quartz (SiO₂), likely iron-stained chalcedony/agate
mineral
Rose Quartz
Quartz (SiO₂), specifically a variety of Quartz
Mineral
Mookaite Jasper
Siliceous sedimentary rock (variety of Jasper/Chert)
Sedimentary Rock
Chalcedony (Quartz Pebbles)
Silicon Dioxide (SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Yellow Agate
Chalcedony (cryptocrystalline Quartz), SiO2
mineral
Polished carnelian
Carnelian, orange-red chalcedony (microcrystalline quartz, SiO₂)
gemstone
Weathered agate or chalcedony nodule
Microcrystalline quartz (SiO₂), likely chalcedony/agate
mineral
Banded Agate (Tumbled)
Silicon Dioxide (SiO2)
mineral
Tumbled carnelian (orange chalcedony)
Carnelian, a microcrystalline quartz variety; SiO₂, commonly colored by dispersed iron oxides
mineral
Banded Calcite (often sold as Caribbean Calcite or Mexican Onyx)
Calcium Carbonate (CaCO3)
mineral
Chalcedony (Agate)
Chalcedony (Cryptocrystalline Quartz, SiO2)
mineral
Jasper (likely brecciated jasper)
Microcrystalline quartz, SiO₂; iron-oxide-stained chalcedony
sedimentary
Chalcedony (specifically Agate or Common Opal variety)
Cryptocrystalline Silica (SiO2)
mineral
Jasper (Yellow Jasper)
Silicon Dioxide (SiO2) with iron inclusions
sedimentary
Chalcedony
Chalcedony (SiO2)
mineral
Banded Agate (specifically Carnelian Agate color)
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Chalcedony (Tumbled)
Cryptocrystalline Quartz (SiO2)
mineral
Jasper (Green Jasper/Chert)
Silicon Dioxide (SiO2)
sedimentary
Agate (Polished Nodule)
Agate (Silicon Dioxide, SiO2)
mineral
Chrysoprase
Silicon dioxide (SiO2) with nickel impurities
mineral
Carnelian
Carnelian (SiO2 - Silicon Dioxide)
mineral
Polished carnelian agate
Microcrystalline quartz (chalcedony), SiO₂, iron-oxide colored
gemstone
Tumbled carnelian (reddish chalcedony)
Carnelian, a cryptocrystalline variety of quartz (SiO₂)
gemstone
Citrine Quartz
Quartz (SiO2) - specifically, a variety of macrocrystalline quartz
Mineral
Banded Agate (likely Carnelian Agate or Sardonyx)
Agate is a common name for a microcrystalline variety of Quartz (SiO₂), specifically a form of Chalcedony.
Sedimentary Rock (technically a variety of Chalcedony)