| Locality type: | Hill |
| Classification |
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| Species: | Opal var: Black Opal |
| Formula: | SiO2 · nH2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Black Opal data |
| Locality Data: | Click here to view Hosszú Hill, Megyaszó, Szerencs District, Borsod-Abaúj-Zemplén County, Hungary |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 295178 |
| Long-form Identifier: | 1:3:295178:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Black Opal |
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| 1.9km (1.2 miles) | ⓘIngvár, Monok, Szerencs District, Borsod-Abaúj-Zemplén County, Hungary |
| 4.3km (2.7 miles) | ⓘFuló Hill, Legyesbénye, Szerencs District, Borsod-Abaúj-Zemplén County, Hungary |
| 21.0km (13.1 miles) | ⓘKopasz Hill andesite quarry, Tarcal, Tokaj District, Borsod-Abaúj-Zemplén County, Hungary |
| 30.7km (19.1 miles) | ⓘNagy-Egres Brook, Komlóska, Sárospatak District, Borsod-Abaúj-Zemplén County, Hungary |
| References |
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Hosszú Hill, Megyaszó, Szerencs District, Borsod-Abaúj-Zemplén County, Hungary