Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral (gemstone variety of beryl) specimens identified by the Rock Identifier community.
Quartz
Silicon Dioxide (SiO2)
Banded Jasper (Carnelian Jasper)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Amethyst
Silicon Dioxide (SiO2) containing iron impurities
Amethyst
Amethyst (Silica mineral, SiO2)
Mookaite Jasper
Silicified Radiolarite (SiO2 with iron impurities)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Turquoise
Turquoise (Hydrated phosphate of copper and aluminium) CuAl6(PO4)4(OH)8·4H2O
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Jasper
Silicon Dioxide (SiO2) with impurities (mostly Iron Oxides)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz (Tumbled/Water-worn)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Banded Agate (Yellow Agate)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Cloudy Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz (polished heart)
Quartz (Silicon Dioxide, SiO2)
Lavender Quartz (appearing as beads) and Druzy Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Amber and Citrine Quartz
Succinite (Amber) and Silicon Dioxide (SiO2 / Citrine)
Chert (Jasper variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Red Jasper
Silicon Dioxide (SiO2) with iron inclusions
Olivine (Peridot)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
Milky Quartz
Silicon Dioxide (SiO2)
Emerald in Matrix
Emerald (Beryllium Aluminum Silicate), Be3Al2(SiO3)6
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) - Variety of Chalcedony/Quartz
Vesicular Basalt
Amygdaloidal Basalt (Mafic extrusive volcanic rock)
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
Bull Quartz (Milky Quartz)
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Quartz (Silica - SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Magnetite (Lodestone variety)
Magnetite (Fe3O4)
Chert Nodule
Microcrystalline Quartz (SiO2)
Rhodochrosite
Manganese carbonate (MnCO3)
Veined Quartz
SiO2 (Silicon Dioxide)
Picture Jasper
Silicon Dioxide (SiO2) with mineral inclusions
Crazy Lace Agate
Agate (Cryptocrystalline Quartz), Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)