Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with various inclusions
Category
Browse mineralish (variety of chalcedony) specimens identified by the Rock Identifier community.
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with various inclusions
Agate (specifically, a slice of a Blue Lace or Chalcedony Agate nodule)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Banded Agate (Gray Agate)
Silicon Dioxide (SiO2) - Chalcedony
Blue Lace Agate (with Amethyst Geode center)
Silicon Dioxide (SiO2) - Cryptocrystalline Chalcedony
Banded Calcite (often sold as 'Travertine' or 'Mexican Onyx')
Calcium Carbonate (CaCO3)
Dalmatian Stone
Dalmatian Stone (a peralkaline igneous rock consisting of Feldspar, Quartz, and Arfvedsonite)
Ruby
Corundum (Al2O3 with Chromium traces)
Black Onyx
Black Chalcedony (SiO2)
Banded Calcite (Green Onyx)
Calcium Carbonate (CaCO3)
Agate
Agate (Microcrystalline Quartz, SiO2)
Yellow Jade (Yellow Chalcedony/Quartz)
Silicon Dioxide (SiO2)
Thunderegg
Agate-filled Rhyolitic Nodule (SiO2)
Agate
Cryptocrystalline Quartz (SiO2)
Dalmatian Stone
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
Amazonite
Microcline (K(AlSi3O8))
Banded Calcite (often sold as Mexican Onyx or Aragonite)
Calcite/Aragonite (Calcium Carbonate, CaCO3)
Agate (specifically Lake Superior Agate style or Banded Chalcedony)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Agate
Chalcedony (SiO2)
Satin Spar (Selenite)
Gypsum (CaSO4·2H2O)
Lake Superior Agate
Silicon Dioxide (SiO2)
Black Onyx
Cryptocrystalline Quartz (SiO2 with organic/iron impurities)
Moss Agate
Silicon Dioxide (SiO2) with inclusions of Manganese or Iron oxide
Purple Banded Agate
Cryptocrystalline Quartz (SiO2)
Green Onyx (Banded Calcite)
Banded Calcite / Aragonite (CaCO3)
Ocean Jasper
Spherulitic Chalcedony (SiO2)
Dalmation Stone (frequently called Dalmatian Jasper)
Peralkaline Quartz-Feldspar Rock
Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper
Silicon dioxide (SiO2)
Dyed Agate Geode
Silicon Dioxide (SiO2) with artificial pigment
Agate Geode Slice (with Druzy Quartz)
Silicon Dioxide (SiO2)
Crazy Lace Agate
Agate (Chalcedony), SiO2
Banded Calcite (often sold as 'Mexican Onyx' or 'Green Onyx')
Calcite (Calcium Carbonate, CaCO3)
Blue Agate (Dyed)
Silicon Dioxide (SiO2) with artificial pigment
Banded Calcite (often sold as 'Mexican Onyx' or 'Green Onyx')
Calcite (Calcium Carbonate, CaCO3)
Red Jasper (Skull Carving)
Jasper (Silicon Dioxide, SiO2 plus Iron Oxide inclusions)
Banded Calcite (often commercially sold as 'Mexican Onyx' or 'Honey Onyx')
Calcite (Calcium Carbonate, CaCO3)
Nephrite Jade
Ca2(Mg, Fe)5Si8O22(OH)2
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)