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Milk opal occurrence, DĂŒrrenberg (DĂŒrnberg), Sankt Leonhard am Hornerwald, Krems-Land District, Lower Austria, Austriai
Regional Level Types
Milk opal occurrenceOccurrence
DĂŒrrenberg (DĂŒrnberg)- not defined -
Sankt Leonhard am HornerwaldMunicipality
Krems-Land DistrictDistrict
Lower AustriaState
AustriaCountry

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Latitude & Longitude (WGS84):
48° North , 15° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~7km
GRN:
N33E08
Type:
Occurrence
Köppen climate type:
Cfb : Temperate oceanic climate
Mindat Locality ID:
241743
Long-form identifier:
mindat:1:2:241743:4
GUID (UUID V4):
0
Name(s) in local language(s):
Milchopalvorkommen, DĂŒrrenberg (DĂŒrnberg), St. Leonhard am Hornerwald, Waldviertel, Niederösterreich, Österreich


Small occurrence on the small DĂŒrrenberg (DĂŒrnberg) mountain, located in the Hornerwald ('Horner forest') NW of St Leonhard am Hornerwald.

Erroneously called "DĂŒrnstein" in Kolitsch et al. (2012).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


6 valid minerals.

Detailed Mineral List:

ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ Augite var. Fassaite
Formula: (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
ⓘ 'Clinopyroxene Subgroup'
ⓘ Forsterite
Formula: Mg2SiO4
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Opal var. Milk Opal
Formula: SiO2 · nH2O
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Pyrope
Formula: Mg3Al2(SiO4)3
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘOpal4.DA.10SiO2 · nH2O
ⓘvar. Milk Opal4.DA.10SiO2 · nH2O
Group 9 - Silicates
ⓘForsterite9.AC.05Mg2SiO4
ⓘPyrope9.AD.25Mg3Al2(SiO4)3
ⓘZircon9.AD.30Zr(SiO4)
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘvar. Fassaite9.DA.15(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Unclassified
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8

List of minerals for each chemical element

HHydrogen
Hⓘ OpalSiO2 · nH2O
Hⓘ Opal var. Milk OpalSiO2 · nH2O
OOxygen
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ ForsteriteMg2SiO4
Oⓘ IlmeniteFe2+TiO3
Oⓘ OpalSiO2 · nH2O
Oⓘ PyropeMg3Al2(SiO4)3
Oⓘ ZirconZr(SiO4)
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Opal var. Milk OpalSiO2 · nH2O
Oⓘ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
NaSodium
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Naⓘ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
MgMagnesium
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ ForsteriteMg2SiO4
Mgⓘ PyropeMg3Al2(SiO4)3
Mgⓘ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
AlAluminium
Alⓘ PyropeMg3Al2(SiO4)3
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
SiSilicon
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ ForsteriteMg2SiO4
Siⓘ OpalSiO2 · nH2O
Siⓘ PyropeMg3Al2(SiO4)3
Siⓘ ZirconZr(SiO4)
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Opal var. Milk OpalSiO2 · nH2O
Siⓘ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
CaCalcium
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
TiTitanium
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
FeIron
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ IlmeniteFe2+TiO3
Feⓘ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
ZrZirconium
Zrⓘ ZirconZr(SiO4)

Other Regions, Features and Areas containing this locality

Austria
Eurasian PlateTectonic Plate
EuropeContinent

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Exel, Reinhard (1993) Die Mineralien und ErzlagerstĂ€tten Österreichs. Eigenverlag R. Exel. p.1-447.
Kolitsch, U., Knobloch, G. & BrandstĂ€tter, F. (2012): 1765) Ilmenit von der Milchopalfundstelle bei DĂŒrnstein, St. Leonhard am Hornerwald, Waldviertel, Niederösterreich. P. 165 in Niedermayr, G. et al. (2012): Neue Mineralfunde aus Österreich LXI. Carinthia II, 202./122., 123-180. [Erroneously called "DĂŒrnstein"]
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