Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Nontronite from
Amphibolite quarry (Vulkan quarry), Haslach im Kinzigtal, Haslach im Kinzigtal, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany


Locality type:Quarry
Classification
Species:Nontronite
Formula:Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Nontronite data
Locality Data:Click here to view Amphibolite quarry (Vulkan quarry), Haslach im Kinzigtal, Haslach im Kinzigtal, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
Data Identifiers
Mindat Occurrence Record ID:167153
Long-form Identifier:1:3:167153:7
GUID (UUID V4):0
Nearest other occurrences of Nontronite
15.3km (9.5 miles) ⓘClara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
19.3km (12.0 miles) ⓘSilberbrünnle Mine, Gengenbach, Gengenbach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
47.7km (29.6 miles) ⓘKrunkelbach Valley Uranium deposit, Menzenschwand, St Blasien, Waldshut, Freiburg Region, Baden-Württemberg, Germany
50.3km (31.3 miles) ⓘMünstergrund Mine, St Trudpert, Münstertal, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
52.6km (32.7 miles) ⓘTannenboden mine, Aitern, Lörrach, Freiburg Region, Baden-Württemberg, Germany
69.1km (42.9 miles) ⓘHersbach quarry, Wisches, Molsheim, Bas-Rhin, Grand Est, France
References
Walenta, Kurt (1992) Die Mineralien des Schwarzwaldes und ihre Fundstellen. Christian Weise Verlag. 336 pp.
Walenta, Kurt (1994) Neufunde aus dem Schwarzwald. 5. Folge, 2. Teil [New discoveries from the Black Forest. 5, Part 2]. Lapis, 19 (3). 31-39
 
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