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Opal from
Obermamau chalcedony occurrence, Karlstetten, Sankt Pölten-Land District, Lower Austria, Austria


Locality type:Occurrence
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Obermamau chalcedony occurrence, Karlstetten, Sankt Pölten-Land District, Lower Austria, Austria
Data Identifiers
Mindat Occurrence Record ID:656286
Long-form Identifier:1:3:656286:1
GUID (UUID V4):0
Nearest other occurrences of Opal
3.4km (2.1 miles) ⓘMarchart quarry, Rosenthal, Karlstetten, Sankt Pölten-Land District, Lower Austria, Austria
9.0km (5.6 miles) ⓘGraphite deposit, Hengstberg, Hafnerbach, Sankt Pölten-Land District, Lower Austria, Austria
11.6km (7.2 miles) ⓘGranulite quarry (Asamer quarry; Wanko gravel works), Meidling, Paudorf, Krems-Land District, Lower Austria, Austria
17.0km (10.6 miles) ⓘSeebichl, Zintring, Maria Laach am Jauerling, Krems-Land District, Lower Austria, Austria
18.6km (11.5 miles) ⓘSiebenhandl quarry (Kraxnerklippe), Felbring, Maria Laach am Jauerling, Krems-Land District, Lower Austria, Austria
23.2km (14.4 miles) ⓘRoad cut, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
23.4km (14.5 miles) ⓘMarble quarry (Thalinger quarry; Hausbruch), Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
23.7km (14.8 miles) ⓘTrandorf, Mühldorf, Krems-Land District, Lower Austria, Austria
24.3km (15.1 miles) ⓘAmstall, Mühldorf, Krems-Land District, Lower Austria, Austria
24.8km (15.4 miles) ⓘWeinberg Middle, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
References
HAMMER & ĆORIĆ (2007): 1501) Chalcedon von Obermamau nördlich von St. Pölten, Niederösterreich. Pp. 171-173 in NIEDERMAYR et al. (2007): Neue Mineralfunde aus Österreich Austria LVI. – Carinthia II, 197./117.: 149-190. (in German)
 
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