Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Category
Browse mineralological variety specimens identified by the Rock Identifier community.
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Red Jasper
Quartz (Silicon Dioxide) with Iron Oxide impurities (Fe2O3)
Nephrite Jade
Nephrite
Satin Spar (Gypsum)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
Tiger's Eye (Multicolor/Variegated)
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxides)
Jasper
Microcrystalline Quartz (SiO2)
Mixed Gemstone and Mineral Collection
Mixed Silica and Carbonate minerals (SiO2, CaSO4·2H2O, etc.)
Agate
Cryptocrystalline quartz (SiO2)
Agate
SiO2
Banded Calcite (Mexican Onyx)
Calcium Carbonate (CaCO3)
Jasper
SiO2
Ocean Jasper
SiO2
Poppy Jasper
Silicon Dioxide (SiO2) with Hematite and Iron Oxide inclusions
Red Jasper
Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)
Yellow Jasper
Silicon dioxide (SiO2)
Jasper
Silicon dioxide, SiO2
Quartz (likely Yellow/Orange variety, possibly Citrine or Chalcedony with iron staining)
Quartz (SiO₂)
Red Jasper with Quartz and Hematite
Silicon Dioxide (SiO2) with Ferric Iron inclusions
Onyx Marble (Banded Calcite)
Calcite (Calcium Carbonate, CaCO3)
Green Kyanite
Kyanite (Al2SiO5)
Jasper (Green Jasper/Heliotrope variety)
Silicon Dioxide (SiO2)
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with various inclusions
Jasper and Agate (Polished Pebble)
Chalcedony (SiO2 with impurities)
Blue Goldstone
Auraventurine (Synthetic glass with cobalt and copper inclusions)
Agate
SiO2
Jasper (Cream/Yellow variety)
Silicon dioxide (SiO2)
Jasper
Silicon dioxide (SiO2) with iron oxide impurities
Rainbow Moonstone with Black Tourmaline
White Labradorite with Schorl (Na,Ca)(Al,Si)4O8
Milky Quartz
Silicon Dioxide (SiO2)
Agate (Carnelian / Chalcedony)
Silicon Dioxide (SiO2)
Porphyry (Flower Stone)
Porphyry (Andesite or Basalt matrix)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Crazy Lace Agate
Silicon Dioxide (SiO2) with iron and aluminum inclusions
Jasper
Jasper (Silicon Dioxide, SiO2)
Agate
SiO2 (Silicon dioxide, cryptocrystalline quartz)
Tourmalinated Quartz
SiO2 with NaFe3+3Al6(BO3)3Si6O18(OH)4 inclusions
Satin Spar
Fibrous Gypsum (CaSO4·2H2O)
Riverstone Jasper (Chalcedony)
Silicon Dioxide (SiO2)
Ruby
Corundum (Al2O3 with Chromium traces)
Jasper (Banded Argillite/Chert mix)
Silicon Dioxide (SiO2) with iron oxide inclusions
Rainbow Moonstone with Black Tourmaline
White Labradorite (Feldspar variety, (Na,Ca)(Al,Si)4O8) with Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Banded Calcite (often commercially sold as Mexican Onyx or Green Onyx)
Calcium Carbonate (CaCO3)