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Opal

Mineral Data
SiO2·nH2O
Strunz: 
4.DA.10
Physical Properties
Streak: 
White
Hardness: 
5.5 - 6.5
Tenacity: 
brittle
Synonyms
Synonyms: 
Semiopal, Semi-Opal and Opale

Tabs

For Sale
Displaying all available items – Click here to search recently sold items
  • Opal
    Opal
    Kremze, Český Krumlov District, South Bohemian Region, Czech Republic
    Miniature (4.5-7 cm)
    €

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    BMM1040842
  • Opal
    Opal
    Monte Lake, Kamloops, British Columbia, Canada
    Small miniature (3-4.5 cm)
    $

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    DVD1017116
  • Opal
    Opal
    Agua Amarga, Níjar, Andalusia, Spain
    Small miniature (3-4.5 cm)
    €

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    TPX1040758
  • Opal
    Opal
    Coober Pedy, Central North, South Australia, Australia
    Thumbnail (1-3cm)
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    MGR1036328
  • Opal
    Opal
    Mazarrón, Murcia, Spain
    Small cabinet (7-10 cm)
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    ADR1041656
  • Hyalite On Opal
    Hyalite On Opal
    Monte Lake, Kamloops, British Columbia, Canada
    Thumbnail (1-3cm)
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    DVD1025307
  • Aquamarine & Opal Var Hyalite
    Aquamarine & Opal Var Hyalite
    Davib Ost Farm 61, Karibib, Erongo Region, Namibia
    Miniature (4.5-7 cm)
    €

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    JWT1036144
  • Opal Hyalite
    Opal Hyalite
    Erupción Mine, Los Lamentos, Ahumada Municipality, Chihuahua, Mexico
    Small miniature (3-4.5 cm)
    $

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    OCM937076
  • Opal
    Opal
    Agramón, Albacete, Castilla La Mancha, Spain
    Small miniature (3-4.5 cm)
    $

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    AAM1008323
  • Fluorite With Opal Var Hyalite
    Fluorite With Opal Var Hyalite
    Davib Ost Farm 61, Karibib, Erongo Region, Namibia
    Miniature (4.5-7 cm)
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    JWT1036196
  • Opal Var Andean Opal
    Opal Var Andean Opal
    Acari Mine, Caraveli Province, Arequipa, Arequipa Department, Peru
    Miniature (4.5-7 cm)
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    JWT1039028
  • Opal
    Opal
    Agua Amarga, Níjar, Andalusia, Spain
    Miniature (4.5-7 cm)
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    TPX1024226
  • Opal
    Opal
    Quilpie, Quilpie Shire, Queensland, Australia
    Thumbnail (1-3cm)
    $

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    ESM1038709
  • Opal
    Opal
    Australia
    Micromount (under 1cm)
    $

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    TVM1037015
  • Opal Var Fire Opal
    Opal Var Fire Opal
    Carbonera Mine, La Trinidad, Tequisquiapan Municipality, Queretaro, Mexico
    Thumbnail (1-3cm)
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    THM1036249
  • Opal
    Opal
    Mezezo, Amhara Region, Ethiopia
    Thumbnail (1-3cm)
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    ERO1036986
Archive
Displaying first 16 items. Click here to search for more.
  • Opal
    Opal
    Quilpie, Quilpie Shire, Queensland, Australia
    Cabinet (10-18 cm)
    Sold
    ESM956943
  • Opal
    Opal
    Dubník, Červenica, Prešov County, Prešov Region, Slovakia (Slovak Republic)
    Small miniature (3-4.5 cm)
    Sold
    ESM955849
  • Opal With Agate
    Opal With Agate
    Eskişehir Province, Turkey
    Cabinet (10-18 cm)
    Sold
    GPM629716
  • Opal
    Opal
    Brandberg, Dâures, Erongo Region, Namibia
    Small miniature (3-4.5 cm)
    Sold
    MGR189868
  • Opal
    Opal
    Quilpie, Quilpie Shire, Queensland, Australia
    Miniature (4.5-7 cm)
    Sold
    TBM1018872
  • Todorokite In Opal
    Todorokite In Opal
    Monti Pelati Nature Park, Bettolino, Torino Province, Piedmont, Italy
    Thumbnail (1-3cm)
    Sold
    AMM1025971
  • Opal
    Opal
    Lightning Ridge, Finch County, New South Wales, Australia
    Thumbnail (1-3cm)
    Sold
    DAV954908
  • Opal
    Opal
    Coober Pedy, Central North, South Australia, Australia
    Small miniature (3-4.5 cm)
    Sold
    MGR843523
  • Opal
    Opal
    Lightning Ridge, Finch County, New South Wales, Australia
    Small miniature (3-4.5 cm)
    Sold
    ESM949766
  • Opal
    Opal
    Chernivtsi, Chernivtsi Oblast, Ukraine
    Small miniature (3-4.5 cm)
    Sold
    WND853761
  • Opal With Agate
    Opal With Agate
    Eskişehir Province, Turkey
    Small cabinet (7-10 cm)
    Sold
    GPM682559
  • Opal
    Opal
    Quilpie, Quilpie Shire, Queensland, Australia
    Miniature (4.5-7 cm)
    Sold
    ATH745682
  • Opal
    Opal
    Lightning Ridge, Finch County, New South Wales, Australia
    Small cabinet (7-10 cm)
    Sold
    MSD862591
  • Topaz & Hyalite Opal
    Topaz & Hyalite Opal
    Tepetate, Villa de Arriaga Municipality, San Luis Potosi, Mexico
    Small miniature (3-4.5 cm)
    Sold
    TBM849227
Locality List

Item Localities for Mineral

Ascension & Tristan da Cunha

Saint Helena

Australia

New South Wales

Queensland

Australia

South Australia

Tasmania

Victoria

Western Australia

Western Australia

Kalgoorlie- Boulder Shire

Austria

Burgenland

Carinthia

Lower Austria

Styria

Upper Austria

Brazil

Bahia

Minas Gerais

Paraiba

Piauí

Bulgaria

Pazardzhik Province

Canada

British Columbia

Québec

Chile

Antofagasta Region

Atacama Region

China (Peoples Republic)

Fujian Province

Czech Republic

Czech Republic

Karlovy Vary Region

South Bohemian Region

Czech Republic

Ústí nad Labem Region

Vysočina Region

Dominican Republic

Santiago Province

Ethiopia

Amhara Province

Amhara Region

France

Auvergne-Rhône-Alpes

Ile-de-France

Occitanie

Germany

Baden-Württemberg

Bavaria

Germany

Hesse

Mecklenburg-West Pomerania

North Rhine - Westphalia

Rhineland-Palatinate

Saxony

Greece

North Aegean

Honduras

Gracias a Dios Department

Lempira Department

Santa Barbara Department

Hungary

Baranya County

Borsod-Abaúj-Zemplén County

Heves County

Pest County

India

Maharashtra

Indonesia

Java

Italy

Campania

Emilia-Romagna

Liguria

Lombardy

Piedmont

Sardinia

Sicily

Tuscany

Italy

Japan

Honshu Island

Kyushu Region

Kazakhstan

Aktobe Province

Karaganda Oblast

Kosovo

Kosovo

Pristina

Madagascar

Madagascar

Alaotra-Mangoro

Amoron'i Mania

Analamanga

Anosy

Boeny

Bongolava

Mali

Kayes Region

Mexico

Mexico

Chihuahua

Durango

Mexico

Hidalgo

Jalisco

Queretaro

San Luis Potosi

Zacatecas

Namibia

Erongo Region

Khomas Region

Kunene Region

Namibia

New Zealand

South Island

Peru

Arequipa Department

Cajamarca

Ica Department

Poland

Poland

Lower Silesian Voivodeship

Romania

Alba County

Maramureș County

Russian Federation

Slovakia (Slovak Republic)

Banská Bystrica Region

Slovakia (Slovak Republic)

Košice Region

Nitra region

Prešov Region

Spain

Andalusia

Canary Islands

Castile & León

Castilla La Mancha

Catalonia

Madrid

Murcia

Tanzania (United Republic)

Arusha Region

Kigoma Region

Tanzania (United Republic)

Turkey

Ankara Province

Eskişehir Province

Kütahya Province

Manisa Province

Tokat Province

Balikesir Province

Balikesir Province

Turkey

Ukraine

Chernivtsi Oblast

Zakarpattia Oblast

United Kingdom

Cornwall

Devon

North Yorkshire

Northern Ireland

United States of America

Arizona

United States of America

California

Colorado

Idaho

Montana

Nevada

North Carolina

Oregon

Utah

Uzbekistan

Navoiy Viloyati

Zimbabwe

Harare District

References
Mindat URL: 
http://www.mindat.org/min-3004.html