Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Chlum Hill, Sepekov, Písek District, South Bohemian Region, Czech Republici
Regional Level Types
Chlum HillHill
SepekovMunicipality
Písek DistrictDistrict
South Bohemian RegionRegion
Czech RepublicCountry

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Latitude & Longitude (WGS84):
49° 25' 15'' North , 14° 26' 53'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Sepekov1,343 (2018)2.3km
Božetice401 (2018)3.4km
Zběšičky121 (2018)3.5km
Opařany1,365 (2018)3.6km
Řepeč261 (2018)5.5km
Mindat Locality ID:
73027
Long-form identifier:
mindat:1:2:73027:4
GUID (UUID V4):
0


Al-rich metamorphic rocks at the contact? of the sillimanitic-biotitic gneisses and migmatites with tourmalinic granites.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Corundum
Formula: Al2O3
'Garnet Group'
Formula: X3Z2(SiO4)3
Hercynite
Formula: Fe2+Al2O4
Ilmenite
Formula: Fe2+TiO3
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Quartz
Formula: SiO2
Sillimanite
Formula: Al2(SiO4)O
'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Hercynite4.BB.05Fe2+Al2O4
Corundum4.CB.05Al2O3
Ilmenite4.CB.05Fe2+TiO3
Quartz4.DA.05SiO2
Group 9 - Silicates
Sillimanite9.AF.05Al2(SiO4)O
Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H PhlogopiteKMg3(AlSi3O10)(OH)2
BBoron
B TourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
O CorundumAl2O3
O HercyniteFe2+Al2O4
O IlmeniteFe2+TiO3
O MuscoviteKAl2(AlSi3O10)(OH)2
O PhlogopiteKMg3(AlSi3O10)(OH)2
O QuartzSiO2
O SillimaniteAl2(SiO4)O
O TourmalineAD3G6 (T6O18)(BO3)3X3Z
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O Garnet GroupX3Z2(SiO4)3
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
AlAluminium
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
Al CorundumAl2O3
Al HercyniteFe2+Al2O4
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al SillimaniteAl2(SiO4)O
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si QuartzSiO2
Si SillimaniteAl2(SiO4)O
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si Garnet GroupX3Z2(SiO4)3
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti IlmeniteFe2+TiO3
FeIron
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
Fe HercyniteFe2+Al2O4
Fe IlmeniteFe2+TiO3

Other Regions, Features and Areas containing this locality

Czech Republic
Eurasian PlateTectonic Plate
EuropeContinent

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