Moonstone
Orthoclase Feldspar (specifically showing adularescence)
Mineral
Category
Mineral (Specifically A Variety Of Quartz)
Browse mineral (specifically a variety of quartz) specimens identified by the Rock Identifier community.
Jasper
Silicon dioxide (SiO2)
sedimentary
Green Apophyllite
Fluorapophyllite-(K), KCa4(Si8O20)(F,OH)·8H2O
mineral
Chert (Jasper)
Chert / Microcrystalline Quartz (SiO2)
sedimentary
Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
mineral
Blue Apatite
Apatite group (Ca5(PO4)3(F,Cl,OH))
mineral
Chert
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Peach Moonstone
Orthoclase Feldspar (KAlSi3O8)
mineral
Chert (Flint) Nodule
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert Pebble (Yellow/Brown Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert
Chert (SiO2)
sedimentary
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (or Flint)
SiO2 (predominantly microcrystalline quartz)
Sedimentary
Rainbow Moonstone
White Labradorite (formula: (Na,Ca)(Al,Si)4O8)
mineral
Banded Agate (specifically Lake Superior Agate style)
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Labradorite
(Ca, Na)(Al, Si)4O8
mineral
Chert (specifically Flint)
Silicon dioxide (SiO2)
sedimentary
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz Mushroom Carving
Quartz (Silicon Dioxide, SiO2)
mineral
Red Jasper (Siltstone/Quartz variety)
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Yellow Quartz (Citrine appearance)
Silicon Dioxide (SiO2)
mineral
Chert
Silicon dioxide (SiO2)
sedimentary
Sunstone (Oregon Sunstone)
Labradorite (Feldspar variety) - (Ca, Na)(Al, Si)4O8
mineral
Moonstone
Orthoclase (KAlSi3O8), specifically the variety showing adularescence
mineral
Green Chert (Jasper)
Silicon Dioxide (SiO2)
sedimentary
Carnelian
Carnelian (Silicon Dioxide, SiO2)
mineral
Agate (specifically, likely a geode slice or nodule)
Agate (a variety of Chalcedony, with chemical formula SiO2)
Mineral
Jasper (specifically Picture Jasper or Landscape Jasper)
Silicon Dioxide (SiO2) - Opaque variety of Chalcedony/Quartz
sedimentary
Blue Lace Agate
Silicon dioxide (SiO2) - Chalcedony variety
mineral
Conglomerate (Puddingstone)
Conglomerate (specifically, clastic sedimentary rock)
Sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (specifically Agate/Jasper variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Lake Superior Agate
Cryptocrystalline Quartz (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz / Silicon Dioxide (SiO2)
mineral
Rough Garnet in Matrix
Almandine Garnet (Fe3Al2Si3O12)
mineral
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral