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|Name:||For being an "oxidised" "schorl".|
"Schorl" with O>OH,F on the W site; not uncommon, but can be reliably identified only from detailed and quantitative chemical analyses.
Originally used as a working name and published without approval, then finally approved in 2011.
Compare also oxy-dravite.
Classification of Oxy-schorl
|IMA status:||Approved 2011|
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Type Occurrence of Oxy-schorl
|Type Locality:||Přibyslavice, Kutná Hora (Kuttenberg), Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic|
|Place of Conservation of Type Material:||Type material is deposited in the collections of the Department of Mineralogy and Petrography, Moravian Museum, Brno, Czech Republic, specimen numbers B10521 and B10522, the East-Slovak Museum, Natural History Division, Košice, Slovakia, specimen number G|
Crystallography of Oxy-schorl
|Class (H-M):||3m - Ditrigonal Pyramidal|
|Cell Parameters:||a = 15.9853(12) Å, c = 7.1538(6) Å|
|Ratio:||a:c = 1 : 0.448|
|Unit Cell Volume:||V 1,583.10 Å³ (Calculated from Unit Cell)|
|X-Ray Powder Diffraction:|
Chemical Properties of Oxy-schorl
|Essential elements:||Al, B, Fe, H, Na, O, Si|
|All elements listed in formula:||Al, B, Fe, H, Na, O, Si|
Relationship of Oxy-schorl to other Species
|Member of:||Tourmaline Group|
|Other Members of Group:|
Other Names for Oxy-schorl
|Health Warning:||No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.|
References for Oxy-schorl
Novák, M., Povondra, P. & Selway, Julie B. (2004): Schorl-oxy-schorl to dravite-oxy-dravite tourmaline from granitic pegmatites; examples from the Moldanubicum, Czech Republic. European Journal of Mineralogy 16, 323-333.
Bačík, P., Cempírek, J., Uher, P., Ozdín, D., Filip, J., Novák, M., Škoda, R., Breiter, K., Klementová, M. and Ďud’a, R. (2011) Oxy-schorl, IMA 2011-011. CNMNC Newsletter No. 10, October 2011, page 2550; Mineral. Mag. 75, 2549-2561.
Internet Links for Oxy-schorl
Localities for Oxy-schorl
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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Locality Updated: Osterberg district, Gernrode, Harz, Saxony-Anhalt, GermanyFrom Thomas Lühr, 23rd May 2013 20:53:42