Bloodstone
Heliotrope (Cryptocrystalline Quartz, SiO2)
mineral
Category
Mineralish (Variety Of Chalcedony)
Browse mineralish (variety of chalcedony) specimens identified by the Rock Identifier community.
Learn about Mineralish (Variety Of Chalcedony) in the encyclopedia
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Chert (Chalcedony)
Microcrystalline Quartz (SiO2)
sedimentary
Ocean Jasper
Spherulitic Chalcedony (SiO2)
sedimentary
Geode (unopened)
Chert / Chalcedony Geode (SiO2)
sedimentary
Petrified Wood
Silicified Wood (primarily SiO2)
sedimentary
Carnelian
Carnelian Chalcedony (SiO2)
mineral
Geode (unopened)
Quartz-filled Geode (SiO2)
sedimentary
Jasper Agate
Silicon dioxide (SiO2)
mineral
Banded Calcite (Onyx Marble)
Calcite (Calcium Carbonate, CaCO3)
sedimentary
Jasper
Cryptocrystalline quartz (SiO2)
Sedimentary/Mineral
Chalcedony (Agate/Carnelian variant)
Cryptocrystalline Silica (SiO2)
mineral
Chalcedony (Agate Pebble)
Silicon Dioxide (SiO2)
mineral
Yellow Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
mineral
Chalcedony in Host Rock
Silicon Dioxide (SiO2)
mineral
Chalcedony in Limestone Host Rock
Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)
Mineral within Sedimentary Rock
Jasper (Red/Green Brecciated)
Silicon Dioxide (SiO2) with iron oxide and chlorite inclusions
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Iron inclusions
sedimentary
Dendritic Agate
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
mineral
Dendritic Agate
Silicon Dioxide (SiO2) with inclusions of manganese or iron oxides
mineral
Dalmation Stone (often called Dalmatian Jasper)
Peralkaline Rock (Microgranite/Aplite), SiO2 with inclusions of Arfvedsonite
igneous
Banded Calcite (often commercially called Mexican Onyx)
Calcite (Calcium Carbonate, CaCO3)
mineral
Chalcedony (Botryoidal)
Silicon Dioxide (SiO2)
mineral
Black Onyx
Chalcedony (SiO2 with inclusions)
mineral
Chalcedony Geode Fragment
Silicon Dioxide (SiO2)
mineral
Dalmatian Jasper
Peralkaline rhyolite with arfvedsonite inclusions
igneous
Chalcedony (Common Agate pebble)
Silicon Dioxide (SiO2)
mineral
Botryoidal Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Druzy Quartz (on Chalcedony/Agate base)
Silicon Dioxide (SiO2)
mineral
Blue Onyx (Dyed Agate)
Cryptocrystalline Quartz (SiO2) with artificial pigment
mineral
Botryoidal Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Chert (Nodule)
Chert (Silicon Dioxide, SiO2)
sedimentary
Pink Banded Onyx (Mexican Onyx / Calcite)
Calcite (CaCO3) - microcrystalline calcium carbonate
sedimentary
Dragon Blood Jasper
Epidote with Red Jasper (SiO2 + Ca2(Al,Fe)3(SiO4)3(OH))
mineral
Crazy Lace Agate
SiO2
Mineral
Geode (Unopened)
Chalcedony/Quartz Geode (SiO2)
sedimentary
Green Aventurine (worked as a bead/sphere)
Aventurine Quartz (SiO2 with inclusions of Fuchsite)
metamorphic
Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
mineral
Petrified Wood
Silicified Wood (primarily SiO2)
sedimentary
Moss Agate
Silicon Dioxide with inclusions (SiO2 + Mn/Fe/Chlorite)
mineral
Moss Agate
Chalcedony (SiO2) with inclusions of manganese or iron oxides
mineral
Petrified Wood (Silicified Wood)
Silicified fossil wood (SiO2)
metamorphic