Jonas Mine
19.1670° S, 41.4670° W · ± 10 km
Elbaite from Minas Gerais, Brazil, with photos of specimens from this locality.
Minerals found here
Elbaite at Jonas Mine
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
- Formula
- Na(Li₁.₅Al₁.₅)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
- Morphology
- Group of five crystals on bladed matrix
- Typical size
- Largest crystal just over 3 cm; specimen about 9 cm
- Color / luster
- Red (rubellite)
- Associated minerals
- Cleavelandite (albite)
Sources: SRC-262
Geology of the locality
- Setting
- Pegmatite mine near Conselheiro Pena in the Doce valley (per specimen label).
- Region
- Minas Gerais
- Country
- Brazil
Coordinates not filled: no coordinate source could be opened in this session. Coordinates: Centre of the town of Conselheiro Pena (Wikipedia, 19°10'S 41°28'W). Jonas Mine is about 4.8 km southeast of the town by dirt road, on the Itatiaia hillside (GIA article: https://www.gia.edu/doc/Gem-Pegmatites-of-Minas-Gerais-Brazil-The-Tourmalines-of-the-Governador-Valadares-District.pdf). No coordinates found for the mine itself. Coordinates: Centre of the town of Conselheiro Pena (Wikipedia, 19°10'S 41°28'W). Jonas Mine is about 4.8 km southeast of the town by dirt road, on the Itatiaia hillside (GIA article: https://www.gia.edu/doc/Gem-Pegmatites-of-Minas-Gerais-Brazil-The-Tourmalines-of-the-Governador-Valadares-District.pdf). No coordinates found for the mine itself. Coordinates: Centre of the town of Conselheiro Pena (Wikipedia, 19°10'S 41°28'W). Jonas Mine is about 4.8 km southeast of the town by dirt road, on the Itatiaia hillside (GIA article: https://www.gia.edu/doc/Gem-Pegmatites-of-Minas-Gerais-Brazil-The-Tourmalines-of-the-Governador-Valadares-District.pdf). No coordinates found for the mine itself.
Sources
- SRC-262 · Website
File:Elbaite-tmu61a.jpgRobert M. Lavinsky (photo); Wikimedia Commons · 2010 · Wikimedia Commons (via download.osmand.net mirror) - SRC-115 · Website
Conselheiro PenaWikipedia
Draft data from the Provenite workbook. Check entries against the cited sources before relying on them. Photos are open-licence images from Wikimedia Commons; the author and licence are given with each photo.