Opal Minerals

Andradite-Grossular Garnet with Opal from Trantimou, Kayes Region, Mali

Beryl var. Aquamarine with Hyalite Opal from Erongo Mountains, 20 km north of Usakos, Namibia

Cinnabar in Opalite from Lake County, California

Copal (fossilized tree resin) from Dominican Republic

Fire Opal from Coober Pedy, South Australia, Australia

Heulandite-Ca on Quartz-Opal var. Siliceous Sinter from Swan's Creek, Nova Scotia, Canada

Microcline and Smoky Quartz with Hyalite Opal from Government Pit, Albany, Carroll County, New Hampshire

Microcline, Smoky Quartz, Albite, Hyalite Opal from Moat Mountain, Hale's Location, Carroll County, New Hampshire

Microcline, Smoky Quartz, Albite, Opal var. Hyalite from Moat Mountain, Hales Location, Carroll County, New Hampshire

Moss Opal from Puerto Rico

Muscovite (pocket crystals) with Hyalite Opal from Lord Hill Quarry, Stoneham, Oxford County, Maine

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 Coober Pedy, Australia

Opal from Cobber Pedy, Australia

Opal from Andamooka, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Mexico

Opal from Australia

Opal from Mintabie Field, South Australia, Australia

Opal from Jalisco, Mexico

Opal from Jalisco, Mexico

Opal from Jalisco, Mexico

Opal from Jalisco, Mexico

Opal from Jalisco, Mexico

Opal from Jalisco, Mexico

Opal from Mexico

Opal from Queretaro, Mexico

Opal from Idaho

Opal from Virgin Valley, Humboldt County, Nevada

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

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

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

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 Mexico

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

Opal from Opal Butte, Morrow County, Oregon

Opal from Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Coober Pedy, South Australia, Australia

Opal from Jalisco, Mexico

Opal from Madera, Chihuahua, Mexico

Opal (Common) from Douglas County, Washington

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

Opal (elongated oval cabochon) from Australia

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Opal (var. Fire Opal Hydrophane) from near Mezezo, Shewa (also Shoa or Showa) Plateau, Amhara, 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 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 Aeromaga Area, Queensland, Australia

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

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

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

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

Opal var. Boulder Opal from Australia

Opal var. Boulder Opal from Australia

Opal var. Boulder Opal from Australia

Opal var. Boulder Opal from Australia

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. 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. 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 Bernadino 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. Geyserite from Yellowstone Park, Park County, Wyoming

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

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

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

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

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

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

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

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

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

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. Jelly Opal from Mexico

Opal var. Opalized Clam from Australia

Opal var. Opalized Clam from Lightning Ridge, Australia

Opal var. Opalized Wood from Virgin Valley District, Humboldt County, Nevada

Opal var. Opalized Wood from Virgin Valley District, Humboldt County, Nevada

Opal var. Opalized Wood from Virgin Valley District, Humboldt County, Nevada

Opal var. Opalized Wood from Virgin Valley District, Humboldt County, Nevada

Opal var. Precious Opal from Barcoo River, Queensland, Australia

Opal var. Precious Opal from New South Wales, Australia

Opal var. Precious Opal from New South Wales, Australia

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

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

Opal var. Precious Opal from New South Wales, Australia

Opal var. Precious Opal from Mexico

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

Opal var. Precious Opal with inclusions from Mexico

Opal with Calcite from Prospect Park Quarry, Prospect Park, Passaic County, New Jersey

Opal, Boulder Opal from Quilpie, Queensland, Australia

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 Fossil Clam from Coober Pedy, South Australia, Australia

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

Orthoclase with Hyalite Opal from Tawara, Gifu pref., Japan

Orthoclase with Hyalite Opal from Tawara, Gifu Prefecture, Honshu Island, Japan

Pierrotite in Opal from Osorezan Volcano, Aomori Prefecture, Honshu, Japan

Prehnite with Opal var. Hyalite from Crestmore Quarry, Riverside County, California

Quartz var. Amethyst with Hyalite Opal from Balkhash Lake, near Preozersk, Karaganda Oblast, Kazakhstan

Quartz var. Smoky Quartz, Microcline, Albite with Hyalite Opal from Moat Mountain, west of North Conway, Carroll County, New Hampshire

Quartz var. Smoky with Hyalite Opal from Moat Mountain, Hale's Location, Carroll County, New Hampshire

Quartz var. Smoky with Microcline and Hyalite Opal from Middle Moat Mountain, Hale's Location, Carroll County, New Hampshire

Quartz var. Smoky with Microcline and Hyalite Opal from Moose Pocket, Blue Mountain, Albany, Carroll County, New Hampshire

Quartz with Hyalite Opal from Irai, Rio Grande do Sul, Brazil

Quartz-Opal var. Siliceous Sinter from McKay's Head, Nova Scotia, Canada

Siderite var. Spherosiderite with Hyalite Opal from (Dana locality at Division St. and Sprague Ave.) Spokane, Spokane County, Washington

Spessartine Garnet and Hyalite Opal on Smoky Quartz from Putian, Tongbei-Yunling District, Fujian Province, China

Spessartine Garnet on Microcline with Quartz and Hyalite Opal from Putian, Tongbei-Yunling District, Fujian Province, China

Spessartine Garnet on Microcline with Quartz and Hyalite Opal from Tongbei-Yunling District, Fujian Province, China

Spessartine Garnet on Quartz with Hyalite Opal from Mengna, Hunan, China

Spessartine Garnet with Hyalite Opal from Putian, Tongbei-Yunling District, Fujian Province, China

Spessartine Garnet with Hyalite Opal from Putian, Fujian Province, China

Spessartine Garnet with Hyalite Opal and Smoky Quartz from Putian, Tongbei-Yunling District, Fujian Province, China

Spessartine Garnet with Hyalite Opal and Smoky Quartz from Putian, Tongbei-Yunling District, Fujian Province, China

Spessartine Garnet with Hyalite Opal and Smoky Quartz from Putian, Tongbei-Yunling District, Fujian Province, China

Spessartine Garnet with Hyalite Opal and Smoky Quartz from Tongbei-Yunling District, Fujian Province, China

Spessartine Garnet with Hyalite Opal and Smoky Quartz from Tongbei-Yunling District, Fujian Province, China

Spessartine Garnet with Hyalite Opal on Microcline pseudomorphs from Tongbei-Yunling District, Fujian Province, China

Topaz with Hematite-Rutile inclusions and Hyalite Opal from Tepetates, San Luis Potosi, Mexico

Topaz with Hyalite Opal from Tepetates, San Luis Potosi, Mexico