Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Opal from
Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria


05139910017368949631975.jpg
Opal-AN

Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
04310620017272054413104.jpg
Opal-AN, etc.

Road cut, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
06978440017272252379629.jpg
Opal-AN, etc.

Road cut, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
08421760017272252366123.jpg
Opal-AN, etc.

Road cut, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
05139910017368949631975.jpg
Opal-AN

Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
05955450017363867463046.jpg
Opal-AN, etc.

Road cut, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
08934440017363867475242.jpg
Opal-AN, etc.

Road cut, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
02167880017363867477515.jpg
Opal-AN, etc.

Road cut, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
05163830017368949653621.jpg
Opal-AN

Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
04310620017272054413104.jpg
Opal-AN, etc.

Road cut, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
06978440017272252379629.jpg
Opal-AN, etc.

Road cut, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
08421760017272252366123.jpg
Opal-AN, etc.

Road cut, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Confirmed
Confirmation Methods:Dealer/Collection Label
Associated Minerals Based on Photo Data:
Natrojarosite1
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Data Identifiers
Mindat Occurrence Record ID:1012555
Long-form Identifier:1:3:1012555:7
GUID (UUID V4):0
Localities for Opal in this Region
Graphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Marble quarry (Thalinger quarry; Hausbruch), Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Road cut, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Weinberg Middle, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
Nearest other occurrences of Opal
0.7km (0.4 miles) ⓘTrandorf, Mühldorf, Krems-Land District, Lower Austria, Austria
0.7km (0.4 miles) ⓘWeinberg Middle, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
0.9km (0.5 miles) ⓘMarble quarry (Thalinger quarry; Hausbruch), Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
1.0km (0.7 miles) ⓘGraphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
1.1km (0.7 miles) ⓘRoad cut, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
2.0km (1.2 miles) ⓘGraphite mine, Elsenreith, Kottes-Purk, Zwettl District, Lower Austria, Austria
6.3km (3.9 miles) ⓘGraphite mine, Feistritz, Raxendorf, Melk District, Lower Austria, Austria
6.7km (4.2 miles) ⓘKlein-Heinrichschlag, Albrechtsberg an der Großen Krems, Krems-Land District, Lower Austria, Austria
10.6km (6.6 miles) ⓘSeebichl, Zintring, Maria Laach am Jauerling, Krems-Land District, Lower Austria, Austria
11.0km (6.8 miles) ⓘSiebenhandl quarry (Kraxnerklippe), Felbring, Maria Laach am Jauerling, Krems-Land District, Lower Austria, Austria
References
Neschen, Peter (n.d.) Personal communication.
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 4, 2026 05:46:25
Go to top of page