Mineral Museum of Mineral Species Beginning with O

This gallery is part of the photographic archive of minerals. The minerals illustrated sold previously and are for photographic reference only.

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721 entries of Online Mineral Museum - Mineral Specimens of Species Beginning with O

Opal from Jalisco, Mexico

Opal from Mexico

Opal from Queretaro, Mexico

Opal from Idaho

Opal from Virgin Valley, Humboldt County, Nevada

Opal from Coober Pedy, South Australia, Australia

Opal from Australia

Opal from near Mezezo, Shewa (also Shoa or Showa) Plateau, Amhara, Ethiopia

Opal from Coober Pedy, South Australia, Australia

Opal from Gunheath China Clay Pit, Cornwall, England

Opal from Australia

Opal from Mexico

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

Opal from Opal Butte, Morrow County, Oregon

Opal from Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Jalisco, Mexico

Opal from Madera, Chihuahua, Mexico

Opal from Andamooka, 160 km NE of Pimba, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal (Common) from Douglas County, Washington

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

Opal (common) from Coober Pedy, South Australia, Australia

Opal (common) from Zacatecas, Mexico

Opal (elongated oval cabochon) from Australia

Opal (Fire Opal doublet) from Coober Pedy, South Australia, Australia

Opal (Fire Opal) from Coober Pedy, South Australia, Australia

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

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

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

Opal (irregular cabochon) from Australia

Opal (irregular oval cabochon) from Australia

Opal (laminated doublet) from Australia

Opal (Precious Opal) from near Mezezo, Shewa (also Shoa or Showa) Plateau, Amhara, Ethiopia

Opal (triplet of laminated boulder opal and glass) from Australia

Opal (var. Crystal Fire Opal) from 570 km north of Addis Ababa, Wello (Wollo), Delanta Plateau, Tigray, Ethiopia

Opal (var. Fire Opal Hydrophane) from near Mezezo, Shewa (also Shoa or Showa) Plateau, Amhara, Ethiopia

Opal (var. Hydrophane Fire Opal) from near Mezezo, Shewa (also Shoa or Showa) Plateau, Amhara, Ethiopia

Opal - two matched nodule halves from near Mezezo, Shewa (also Shoa or Showa) Plateau, Amhara, Ethiopia

Opal in matrix from Queretaro, Mexico

Opal pseudomorph after Aragonite from Washington

Opal pseudomorph after Clam (var. Opalized Clam) from Coober Pedy, South Australia, Australia

Opal pseudomorphs after Serandite from Dallas Gem Mine, San Benito County, California

Opal var. Boulder Opal from Aeromaga Area, Queensland, Australia

Opal var. Boulder Opal from Australia

Opal var. Boulder Opal from Queensland, Australia

Opal var. Cacholong Opal from Siberia, Russia

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

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

Opal var. Crystal Fire Opal from 570 km north of Addis Ababa, Wello (Wollo), Delanta Plateau, Tigray, Ethiopia

Opal var. Crystal Fire Opal (cabochon and rough) from 570 km north of Addis Ababa, Wello (Wollo), Delanta Plateau, Tigray, Ethiopia

Opal var. Diatomaceous Earth from San Bernardino County, California

Opal var. Fiorte from Mt. Amito, Italy

Opal var. Fire Opal from Coober Pedy, South Australia, Australia

Opal var. Fire Opal from Jalisco, Mexico

Opal var. Fire opal from Tequisquiapan, Queretaro, Mexico

Opal var. Fire Opal from Mexico

Opal var. Fire opal from Coober Pedy, South Australia, Australia

Opal var. Fire Opal from Coober Pedy, South Australia, Australia

Opal var. Fire opal from Queretaro, Mexico

Opal var. Fire opal from Coober Pedy, South Australia, Australia

Opal var. Fire opal from Queensland, Australia

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

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 Valec (Waltsch), Karlovy Vary, Doupovske Hills, Bohemia, Czech Republic

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 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

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The minerals illustrated on this site were purchased from collectors or wholesale suppliers for resale purposes. The minerals on this site are presented for reference purposes only. The owner of this site did not collect the minerals and collectors should not assume access is permitted to the property based on inclusion in this museum. Please contact the property owner to obtain legal permission before entering private property.