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Grauberg quarry, Stengerts, Gailbach, Aschaffenburg, Lower Franconia, Bavaria, Germanyi
Regional Level Types
Grauberg quarryQuarry
Stengerts- not defined -
Gailbach- not defined -
Lower FranconiaRegion

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Latitude & Longitude (WGS84):
49° 56' 49'' North , 9° 11' 23'' East
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
Haibach8,600 (2011)2.3km
Aschaffenburg68,551 (2017)4.3km
Sulzbach am Main7,057 (2013)4.7km
Niedernberg4,793 (2011)5.4km
Leidersbach4,997 (2011)5.6km
Name(s) in local language(s):
Steinbruch am Grauberg, Stengerts, Gailbach, Aschaffenburg, Spessart, Franken, Bayern, Deutschland

Abandoned quarry in diorites and amphibolites with pegmatite inclusions.
Located on Stengerts hill, 1.5 km west of Gailbach and about 5 km SW of Aschaffenburg.

Note on the mineral list:
The "spessartine" from here has been erroneously reported in Weiß (1990); in fact it is an almandine from garnet gneisses.

Regions containing this locality

Eurasian PlateTectonic Plate
Spessart, Germany

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

3 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

Formula: Fe2+3Al2(SiO4)3
Reference: Erik Hoch (see also Lapis #7, 2004 - reply to "spessartine" portrait in Lapis #6, 2004)
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
Reference: S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
Formula: Mn2+3Al2(SiO4)3
Description: Not spessartine, but almandine.
Reference: S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
Formula: CaTi(SiO4)O
Reference: S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
Spessartine ?9.AD.25Mn2+3Al2(SiO4)3
Unclassified Minerals, Rocks, etc.

List of minerals arranged by Dana 8th Edition classification

Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Spessartine ?51.4.3a.3Mn2+3Al2(SiO4)3
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Unclassified Minerals, Mixtures, etc.

List of minerals for each chemical element

H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O TitaniteCaTi(SiO4)O
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O AlmandineFe32+Al2(SiO4)3
O SpessartineMn32+Al2(SiO4)3
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al AlmandineFe32+Al2(SiO4)3
Al SpessartineMn32+Al2(SiO4)3
Si TitaniteCaTi(SiO4)O
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si AlmandineFe32+Al2(SiO4)3
Si SpessartineMn32+Al2(SiO4)3
Ca TitaniteCaTi(SiO4)O
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ti TitaniteCaTi(SiO4)O
Mn SpessartineMn32+Al2(SiO4)3
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe AlmandineFe32+Al2(SiO4)3


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S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990

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