Locality type: | Quarry |
Classification |
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Species: | Opal var: Opal-AN |
Formula: | SiO2 · nH2O |
Confirmation |
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Validity: | Believed Valid |
Associated Minerals Based on Photo Data: |
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Cristobalite | ⓘ1 photo of Opal-AN associated with Cristobalite at this locality. |
Hematite | ⓘ1 photo of Opal-AN associated with Hematite at this locality. |
Vonsenite | ⓘ1 photo of Opal-AN associated with Vonsenite at this locality. |
Data |
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Mineral Data: | Click here to view Opal-AN data |
Locality Data: | Click here to view Campomorto Quarry, Pietra Massa Locality, Montalto di Castro, Viterbo Province, Lazio, Italy |
Data Identifiers |
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Mindat Occurrence Record ID: | 243254 |
Long-form Identifier: | 1:3:243254:0 |
GUID (UUID V4): | 23ede195-7264-41d0-a388-6bc710e162ab |
Nearest other occurrences of Opal-AN |
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29.8km (18.5 miles) | ⓘMonte Rovello, Allumiere, Metropolitan City of Rome Capital, Lazio, Italy |
33.2km (20.6 miles) | ⓘSasso della Strega, Allumiere, Metropolitan City of Rome Capital, Lazio, Italy |
References |
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Reference Search (possible matching items) |
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| Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | role in naming the plants and animals, also showed an interest in classifying the minerals. His natural...synonymy was improved and extended. The work became an international classic for over 50 years, due to the...Short Hills, New Jersey. Renato Pagano: Milan, Italy. Ole V. Petersen: Geologisk Museum, Copenhagen,...(6) determination; ip to other properties; (8) locality of the type material; and (9) relationsh at least...XV xvi Introduction international members and an affirmative response of at least two-thirds of those | | | Book (edition) | publica1ions) 'Third edi1ion'-Forcword. Rev. ed. of: An index of mim:ral species & varie1ics arranged chemically/...of Minemls was published and it soon proved to be an important and standard reference work for mineralogists... The number of known species is now around 3500- an increase of some 600 in the last ten years - and...Embrey obtained an on-line version of the second edition and its appendices by editing an optically-character-read...volume is the third edition (retitled) of M. H. Hey"s An Index of Mineral Species and Varieties Arranged Chemically |
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Campomorto Quarry, Pietra Massa Locality, Montalto di Castro, Viterbo Province, Lazio, Italy