Mineral Photo Archive of Mica & other Silicates

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite and Bultfonteinite from N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite and Bultfonteinite from Wessels Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite and Calcite on Mn-oxide from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite on Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite on Calcite from N'Chwaning Mines, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite on Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite on Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite on Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite on Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite on Celestine from N'Chwaning Mines, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite on Hematite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite on Oyelite and Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite with Calcite from N'Chwaning Mines, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite with Calcite and Oyelite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite with minor Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite with Oyelite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite with Oyelite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite with Oyelite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite with Oyelite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite with Oyelite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite with Oyelite and Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite-Poldervaartite on Hematite from N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Opal from Coober Pedy, Australia

Opal from Coober Pedy, Australia

Opal from Coober Pedy, Australia

Opal from Coober Pedy, Australia

Opal from Coober Pedy, Australia

Opal from Coober Pedy, Australia

Opal from Coober Pedy, Australia

Opal from Coober Pedy, Australia

Opal from Coober Pedy, Australia

Opal from Coober Pedy, Australia

Opal from Coober Pedy, Australia

Opal from Coober Pedy, Australia

Opal from Coober Pedy, Australia

Opal from Coober Pedy, Australia

Opal from Coober Pedy, Australia

Opal from Cobber Pedy, Australia

Opal from Andamooka, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Gunheath China Clay Pit, Cornwall, England

Opal from near Giant's Causeway, County Antrim, Northern Ireland

Opal from Opal Butte, Morrow County, Oregon

Opal from Madera, Chihuahua, Mexico

Opal (Common) from Douglas County, Washington

Opal (common) from Virgin Valley, Humboldt County, Nevada

Opal (common) from Zacatecas, Mexico

Opal (common) from Zacatecas, Mexico

Opal (fluorescent) from Virgin Valley District, Humboldt County, Nevada

Opal (fluorescent) from Virgin Valley District, Humboldt County, Nevada

Opal (fluorescent) from Virgin Valley District, Humboldt County, Nevada

Opal (fluorescent) from Virgin Valley, Humboldt County, Nevada

Opal (fluorescent) from Virgin Valley, Humboldt County, Nevada

Opal (fluorescent) from Virgin Valley, Humboldt County, Nevada

Opal (fluorescent) from Virgin Valley, Humboldt County, Nevada

Opal in matrix from Queretaro, Mexico

Opal var. Cacholong Opal from Siberia, Russia

Opal var. Common Opal from Virgin Valley, Humboldt County, Nevada

Opal var. Common Opal from Virgin Valley, Humboldt County, Nevada

Opal var. Common Opal from Virgin Valley, Humboldt County, Nevada

Opal var. Common Opal (fluorescent) from Virgin Valley, Humboldt County, Nevada

Opal var. Diatomaceous Earth from San Bernardino County, California

Opal var. Fiorte from Mt. Amito, Italy

Opal var. Geyserite from Yellowstone Park, Park County, Wyoming

Opal var. Hyalite from Monok, Zemplen Mountains, Borsod-Abaúj-Zemplen, Hungary

Opal var. Hyalite from Monok, Zemplen Mountains, Borsod-Abaúj-Zemplen, Hungary

Opal var. Hyalite from Monok, Zemplen Mountains, Borsod-Abaúj-Zemplen, Hungary

Opal var. Hyalite from Monok, Zemplen Mountains, Borsod-Abaúj-Zemplen, Hungary

Opal var. Hyalite from Monok, Zemplen Mountains, Borsod-Abaúj-Zemplen, Hungary

Opal var. Hyalite from Monok, Zemplen Mountains, Borsod-Abaúj-Zemplen, Hungary

Opal var. Hyalite from Monok, Zemplen Mountains, Borsod-Abaúj-Zemplen, Hungary

Opal var. Hyalite from Monok, Zemplen Mountains, Borsod-Abaúj-Zemplen, Hungary

Opal var. Hyalite from Monok, Zemplen Mountains, Borsod-Abaúj-Zemplen, Hungary

Opal var. Hyalite from Floyd County, Georgia

Opal var. Hyalite from Little Switzerland, McDowell County, North Carolina

Opal var. Hyalite from Cerro del Tepozan, San Luis Potosi, Mexico

Opal var. Hyalite from Valec (Waltsch), Karlovy Vary, Doupovske Hills, Bohemia, Czech Republic

Opal var. Hyalite from Spruce Pine, Mitchell County, North Carolina

Opal var. Hyalite from Spruce Pine, Mitchell County, North Carolina

Opal var. Hyalite from Spruce Pine, Mitchell County, North Carolina

Opal var. Hyalite from Spruce Pine, Mitchell County, North Carolina

Opal var. Hyalite from Valec (Waltsch), Karlovy Vary, Doupovske Hills, Bohemia, Czech Republic

Opal var. Hyalite from Spruce Pine, Mitchell County, North Carolina

Opal var. Hyalite from Spruce Pine, Mitchell County, North Carolina

Opal var. Hyalite from Valec (Waltsch), Karlovy Vary, Doupovske Hills, Bohemia, Czech Republic

Opal var. Hyalite from Chalk Mountain Mine, Spruce Pine District, Mitchell County, North Carolina

Opal var. Hyalite from San Luis Potosi, Mexico

Opal var. Hyalite from Spruce Pine, Mitchell County, North Carolina

Opal var. Hyalite from Gouge Mine, Spruce Pine District, Yancey County, North Carolina

Opal var. Hyalite from Squaretop Mountain, Dalby, Queensland, Australia

Opal var. Hyalite from Valec (Waltsch), Karlovy Vary, Doupovske Hills, Bohemia, Czech Republic

Opal var. Hyalite from Valec (Waltsch), Karlovy Vary, Doupovske Hills, Bohemia, Czech Republic

Opal var. Hyalite from Chalk Mountain Mine, Spruce Pine District, Mitchell County, North Carolina

Opal var. Hyalite from Monok, Zemplen Mountains, Borsod-Abaúj-Zemplen, Hungary

Opal var. Hyalite from Strickland Quarry, Collins Hill, Portland, Middlesex County, Connecticut

Opal var. Hyalite from Spruce Pine District, Mitchell County, North Carolina

Opal var. Hyalite from Valec (Waltsch), Karlovy Vary, Doupovske Hills, Bohemia, Czech Republic

Opal var. Hyalite from Spruce Pine District, Yancey County, North Carolina

Opal var. Hyalite from Spruce Pine District, Yancey County, North Carolina

Opal var. Hyalite from Monok, Zemplén Mountains, Borsod-Abaúj-Zemplén, Hungary

Opal var. Hyalite from San Luis Potosi, Mexico

Opal var. Hyalite on Albite from Mitchell County, North Carolina

Opal var. Hyalite on Albite from Pacific Tin Feldspar Quarry, Spruce Pine, Mitchell County, North Carolina

Opal var. Hyalite on Albite from Strickland Quarry, Collins Hill, Portland, Middlesex County, Connecticut

Opal var. Hyalite on Albite, Spessartine Garnet, Smoky Quartz from Putian, Fujian Province, China

Opal var. Hyalite on Topaz with Rutile inclusions from Tepetates, San Luis Potosi, Mexico

Opal var. Quincyite Opal from Quincy-sur-Cher, Bourges, France (Type Locality for Quincyite Opal)

Opal-CT var. Tripoli from near Virginia City, Storey County, Nevada

Opalized Fossil Bone from White Cliffs, New South Wales, Australia

Opalized Fossil Clam from Coober Pedy, South Australia, Australia

Opalized Wood from Knox County, Nebraska

Opalized Wood - Black Opal from Virgin Valley, Humboldt County, Nevada

Orthoclase var. Adularia pseudomorphs after Heulandite or Glauberite from Wester Cochno, West Dunbartonshire, Scotland

Orthoclase var. Adularia with minor Chlorite from Val Nalps, Tujetsch, Grischun (Graubünden), Switzerland

Osumilite and Phlogopite (micromount) from North Sister Mountain, Lane County, Oregon

Osumilite on Tridymite from Mount Arci, Marrubiu, Oristano Province, Sardinia, Italy

Osumilite on Tridymite from Obsidian Cliffs, North Sister Mountain, Lane County, Oregon

Ottrelite from southern Stavelot Massif, Ottré, Vielsalm, Belgium (Type Locality for Ottrelite)

Oxykinoshitalite (IMA 2004-013) from Fernando de Noronha Island, 326 km northeast of Cabo de Sao Roque, Pernambuco, Brazil (Type Locality for Oxykinoshitalite)

Oyelite on Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

Oyelite on Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

Panunzite from Valle de Diablo, Somma-Vesuvius Complex, Campania, Italy (Type Locality for Panunzite)

Papagoite from New Cornelia Mine, Ajo, Pima County, Arizona (Type Locality for Papagoite)

Papagoite from New Cornelia Mine, Ajo, Pima County, Arizona (Type Locality for Papagoite)

Papagoite from New Cornelia Mine, Ajo, Pima County, Arizona (Type Locality for Papagoite)

Papagoite from New Cornelia Mine, Ajo, Pima County, Arizona (Type Locality for Papagoite)

Papagoite from New Cornelia Mine, Ajo, Pima County, Arizona (Type Locality for Papagoite)

Papagoite from New Cornelia Mine, Ajo, Pima County, Arizona (Type Locality for Papagoite)

Papagoite from New Cornelia Mine, Ajo, Pima County, Arizona (Type Locality for Papagoite)

Papagoite from New Cornelia Mine, Ajo, Pima County, Arizona (Type Locality for Papagoite)

Papagoite and Ajoite from New Cornelia Mine, Ajo, Pima County, Arizona (Type Locality for Papagoite and Ajoite)

Paracelsian from Madre Quarry, Candoglia, Piemonte, Italy (Type Locality for Paracelsian)

Paracelsian from Benallt Mine, Llanfaelrhys, Gwynedd, Wales

Paracelsian with Celsian from Benallt Mine, Lleyn Peninsula, Gwynedd, Wales

Pargasite from Mount Eve, Orange County, New York

Pargasite from Laacher See, Rheinland-Pfalz, Germany