Mindat.org (original) (raw)
Locality type:
Quarry
Classification
Species:
'Obertiite Root Name Group' (not an IMA approved species)
Formula:
ANa2(Z32+Z3+Ti)Si8O22O2
Comments:
Obertiite root name minerals with variable Fe:Mn ratios have been analysed and both ferri-obertiite and mangani-obertiite has been identified. These minerals do not appear to be possible to distinguish by simple means
Confirmation
Validity:
Confirmed
Confirmation Methods:
EPMA
Associated Minerals Based on Photo Data:
ⓘ2 photos of Obertiite Root Name Group associated with Mangani-obertiite at this locality.
Data
Mineral Data:
Click here to view Obertiite Root Name Group data
Locality Data:
Photo Gallery
Data Identifiers
Mindat Occurrence Record ID:
921402
Long-form Identifier:
1:3:921402:6
GUID (UUID V4):
01cef093-3c98-4e05-b66b-1a8e86d25cfd
Nearest other occurrences of Obertiite Root Name Group
5.8km (3.6 miles)
ⓘRothenberg Quarry, Bell, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
9.7km (6.0 miles)
ⓘNickenicher Weinberg, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
10.3km (6.4 miles)
ⓘNickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
12.7km (7.9 miles)
ⓘWannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
13.1km (8.1 miles)
ⓘHerchenberg quarry, Burgbrohl, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
37.8km (23.5 miles)
ⓘEmmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
References
Hawthorne, Frank C., Cooper, Mark A., Grice, Joel D., Ottolini, Luisa (2000) A new anhydrous amphibole from the Eifel region, Germany: Description and crystal structure of obertiite, NaNa2(Mg3Fe3+Ti4+)Si8O22O2. American Mineralogist, 85 (1) 236-241 doi:10.2138/am-2000-0124