| Classification |
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| Species: | Opal var: Fire Opal |
| Formula: | SiO2 · nH2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Fire Opal data |
| Locality Data: | Click here to view Ingvár, Monok, Szerencs District, Borsod-Abaúj-Zemplén County, Hungary |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 296880 |
| Long-form Identifier: | 1:3:296880:3 |
| GUID (UUID V4): | 567e1094-f314-4ce3-afb7-95bc5662591c |
| Nearest other occurrences of Fire Opal |
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| 1.6km (1.0 miles) | ⓘNagy Répás Hill, Megyaszó, Szerencs District, Borsod-Abaúj-Zemplén County, Hungary |
| 1.9km (1.2 miles) | ⓘHosszú Hill, Megyaszó, Szerencs District, Borsod-Abaúj-Zemplén County, Hungary |
| 82.2km (51.1 miles) | ⓘLibanka, Dubník, Červenica, Prešov District, Prešov Region, Slovakia |
| 82.3km (51.1 miles) | ⓘJozef adit, Libanka, Dubník, Červenica, Prešov District, Prešov Region, Slovakia |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | properties are investigated: X-Ray Diffraction (opal-A), Raman spectra (main Raman peak at 437 cm-1)... Key-words: Slovakia, gem opal, Raman spectroscopy, oxygen isotopes, opal classification. 1. Introduction...Introduction The "Hungarian" opal deposits (now in Slovakia) were the unique source of gem opal in Europe from the...to understand the formation of opal deposits. This study focuses on opal properties and its relationship...literature regarding the geology of the Slovakian opal deposit. Gemmological properties, XRD pattern, Raman |
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Ingvár, Monok, Szerencs District, Borsod-Abaúj-Zemplén County, Hungary