| Locality type: | Quarry |
| Classification |
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| Species: | Opal |
| Formula: | SiO2 · nH2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Opal data |
| Locality Data: | Click here to view Věžná serpentinite quarry, Věžná, Žďár nad Sázavou District, Vysočina Region, Czech Republic |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 630875 |
| Long-form Identifier: | 1:3:630875:9 |
| GUID (UUID V4): | 8c1c082b-ffd5-4e9c-b35e-a75ec9bd41e8 |
| Nearest other occurrences of Opal |
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| 0.1km (0.1 miles) | ⓘVěžná I pegmatite, Věžná, Žďár nad Sázavou District, Vysočina Region, Czech Republic |
| 4.2km (2.6 miles) | ⓘRožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic |
| 8.6km (5.3 miles) | ⓘBorovec (Borowetz; Borowitz?), Štěpánov nad Svratkou, Žďár nad Sázavou District, Vysočina Region, Czech Republic |
| 34.6km (21.5 miles) | ⓘSeč quarry, Rudice, Blansko District, South Moravian Region, Czech Republic |
| 37.3km (23.1 miles) | ⓘSerpentinite occurrence, Nová Ves, Brno-Country District, South Moravian Region, Czech Republic |
| 39.4km (24.5 miles) | ⓘU Pustého Mlýna Quarry, Hrubšice, Ivančice, Brno-Country District, South Moravian Region, Czech Republic |
| 40.4km (25.1 miles) | ⓘResidual rocks outrop, Řípov, Třebíč, Třebíč District, Vysočina Region, Czech Republic |
| 41.5km (25.8 miles) | ⓘDukovany opal occurrence, Dukovany, Třebíč District, Vysočina Region, Czech Republic |
| 77.7km (48.3 miles) | ⓘKunětická hill, Ráby, Pardubice District, Pardubice Region, Czech Republic |
| 78.7km (48.9 miles) | ⓘChalcedony occurrence, Langau, Horn District, Lower Austria, Austria |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | INTERGROWTHS FROM THE VĚŽNÁ I PEGMATITE, CZECH REPUBLIC: A COMPLEX DESILICATION PROCESS RELATED TO...Masaryk University, Kotlářská 2, CZ–611 37 Brno, Czech Republic Abstract Quartz replacement by “kerolite”...apoharzburgite, at the locality Věžná I, western Moravia, Czech Republic. Pale brownish to white “kerolite”...process of transformation of quartz to “kerolite” at Věžná occurs not only in granitic pegmatites but may operate...episyenite, contamination, pegmatite, serpentinite, Věžná, Czech Republic. Introduction The hydrothermal leaching |  | Novák, M., Prokop, J., Losos, Z., Macek, I. (2017) Tourmaline, an indicator of external Mg-contamination of granitic pegmatites from host serpentinite; examples from the Moldanubian Zone, Czech Republic. Mineralogy and Petrology, 111 (4) 625-641 doi:10.1007/s00710-017-0512-4 | Journal (article/letter/editorial) | | pegmatites from host serpentinite; examples from the Moldanubian Zone, Czech Republic M. Novák 1 & J. Prokop...enclosed in serpentinites of the Moldanubian Zone, Czech Republic were examined, mainly by electron probe micro-analyser...minor Ca-contamination (group B plus the locality Věžná I of the group C) and weak Mg-contamination of the...Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic highly evolved Li-bearing pegmatites (group...(group B and group C) were open to the host serpentinite during early solidus crystallization immediately |
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