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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Kuroiwa, Jōetsu City, Niigata Prefecture, Japani
Regional Level Types
Kuroiwa- not defined -
Jōetsu CityCity
Niigata PrefecturePrefecture
JapanCountry

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PhotosMapsSearch
Latitude & Longitude:
37° North , 138° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~138km
Mindat Locality ID:
190892
Long-form identifier:
mindat:1:2:190892:6
GUID (UUID V4):
0


Xenoliths in andesite.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


5 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
Andradite9.AD.25Ca3Fe3+2(SiO4)3
Diopside9.DA.15CaMgSi2O6
Wollastonite9.DG.05Ca3(Si3O9)
Scolecite9.GA.05CaAl2Si3O10 · 3H2O
Epistilbite9.GD.45CaAl2Si6O16 · 5H2O
Unclassified
'Lévyne'-

List of minerals for each chemical element

HHydrogen
H EpistilbiteCaAl2Si6O16 · 5H2O
H ScoleciteCaAl2Si3O10 · 3H2O
OOxygen
O AndraditeCa3Fe23+(SiO4)3
O DiopsideCaMgSi2O6
O EpistilbiteCaAl2Si6O16 · 5H2O
O ScoleciteCaAl2Si3O10 · 3H2O
O WollastoniteCa3(Si3O9)
MgMagnesium
Mg DiopsideCaMgSi2O6
AlAluminium
Al EpistilbiteCaAl2Si6O16 · 5H2O
Al ScoleciteCaAl2Si3O10 · 3H2O
SiSilicon
Si AndraditeCa3Fe23+(SiO4)3
Si DiopsideCaMgSi2O6
Si EpistilbiteCaAl2Si6O16 · 5H2O
Si ScoleciteCaAl2Si3O10 · 3H2O
Si WollastoniteCa3(Si3O9)
CaCalcium
Ca AndraditeCa3Fe23+(SiO4)3
Ca DiopsideCaMgSi2O6
Ca EpistilbiteCaAl2Si6O16 · 5H2O
Ca ScoleciteCaAl2Si3O10 · 3H2O
Ca WollastoniteCa3(Si3O9)
FeIron
Fe AndraditeCa3Fe23+(SiO4)3

Other Regions, Features and Areas containing this locality

Eurasian Plate
Okhotsk PlateTectonic Plate

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