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Korond (Corund), Harghita, Romaniai
Regional Level Types
Korond (Corund)- not defined -
HarghitaCounty
RomaniaCountry

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Key
Lock Map
View of the Korond (Aragonit bánya) open cast mining, 1928.

Korond, Harghita, Romania
View of the Korond (Aragonit bánya) open cast mining, 1941.

Korond, Harghita, Romania
View of the Korond (Aragonit bánya) open cast mining, 1928.

Korond, Harghita, Romania
View of the Korond (Aragonit bánya) open cast mining, 1941.

Korond, Harghita, Romania
View of the Korond (Aragonit bánya) open cast mining, 1928.

Korond, Harghita, Romania
View of the Korond (Aragonit bánya) open cast mining, 1941.

Korond, Harghita, Romania
Neighbouring regions:


This is a famous locality for banded calcite and there is a small production of ornamental objects made from this calcite. It was historically called "aragonite", but the mineral is really calcite.

Also various secondary sulphates as alteration products of pyrite-marcasite nodules.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


11 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: Zoltán Csata
Copiapite
Formula: Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Reference: Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
Gypsum
Formula: CaSO4 · 2H2O
Reference: Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
Marcasite
Formula: FeS2
Reference: Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
Melanterite
Formula: Fe2+(H2O)6SO4 · H2O
Reference: Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
Natrojarosite
Formula: NaFe3(SO4)2(OH)6
Reference: Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
Pyrite
Formula: FeS2
Reference: Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
Römerite
Formula: Fe2+Fe3+2(SO4)4 · 14H2O
Reference: Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
Rozenite
Formula: FeSO4 · 4H2O
Reference: Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
Sideronatrite
Formula: Na2Fe(SO4)2(OH) · 3H2O
Reference: Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
Szomolnokite
Formula: FeSO4 · H2O
Reference: Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Marcasite'2.EB.10aFeS2
'Pyrite'2.EB.05aFeS2
Group 5 - Nitrates and Carbonates
'Calcite'5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Copiapite'7.DB.35Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
'Gypsum'7.CD.40CaSO4 · 2H2O
'Melanterite'7.CB.35Fe2+(H2O)6SO4 · H2O
'Natrojarosite'7.BC.10NaFe3(SO4)2(OH)6
'Rozenite'7.CB.15FeSO4 · 4H2O
'Römerite'7.CB.75Fe2+Fe3+2(SO4)4 · 14H2O
'Sideronatrite'7.DF.20Na2Fe(SO4)2(OH) · 3H2O
'Szomolnokite'7.CB.05FeSO4 · H2O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Melanterite29.6.10.1Fe2+(H2O)6SO4 · H2O
Rozenite29.6.6.1FeSO4 · 4H2O
Szomolnokite29.6.2.2FeSO4 · H2O
AB2(XO4)4·H2O
Römerite29.7.2.1Fe2+Fe3+2(SO4)4 · 14H2O
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)3(XO4)2Zq·xH2O
Sideronatrite31.8.3.1Na2Fe(SO4)2(OH) · 3H2O
Miscellaneous
Copiapite31.10.5.1Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Unclassified Minerals, Rocks, etc.
Natrojarosite-NaFe3(SO4)2(OH)6

List of minerals for each chemical element

HHydrogen
H CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
H GypsumCaSO4 · 2H2O
H MelanteriteFe2+(H2O)6SO4 · H2O
H NatrojarositeNaFe3(SO4)2(OH)6
H RömeriteFe2+Fe23+(SO4)4 · 14H2O
H RozeniteFeSO4 · 4H2O
H SideronatriteNa2Fe(SO4)2(OH) · 3H2O
H SzomolnokiteFeSO4 · H2O
CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
O CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
O GypsumCaSO4 · 2H2O
O MelanteriteFe2+(H2O)6SO4 · H2O
O NatrojarositeNaFe3(SO4)2(OH)6
O RömeriteFe2+Fe23+(SO4)4 · 14H2O
O RozeniteFeSO4 · 4H2O
O SideronatriteNa2Fe(SO4)2(OH) · 3H2O
O SzomolnokiteFeSO4 · H2O
NaSodium
Na NatrojarositeNaFe3(SO4)2(OH)6
Na SideronatriteNa2Fe(SO4)2(OH) · 3H2O
SSulfur
S CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
S GypsumCaSO4 · 2H2O
S MarcasiteFeS2
S MelanteriteFe2+(H2O)6SO4 · H2O
S NatrojarositeNaFe3(SO4)2(OH)6
S PyriteFeS2
S RömeriteFe2+Fe23+(SO4)4 · 14H2O
S RozeniteFeSO4 · 4H2O
S SideronatriteNa2Fe(SO4)2(OH) · 3H2O
S SzomolnokiteFeSO4 · H2O
CaCalcium
Ca CalciteCaCO3
Ca GypsumCaSO4 · 2H2O
FeIron
Fe CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
Fe MarcasiteFeS2
Fe MelanteriteFe2+(H2O)6SO4 · H2O
Fe NatrojarositeNaFe3(SO4)2(OH)6
Fe PyriteFeS2
Fe RömeriteFe2+Fe23+(SO4)4 · 14H2O
Fe RozeniteFeSO4 · 4H2O
Fe SideronatriteNa2Fe(SO4)2(OH) · 3H2O
Fe SzomolnokiteFeSO4 · H2O

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Cenozoic
0 - 66 Ma



ID: 3184850
Cenozoic volcanic rocks

Age: Cenozoic (0 - 66 Ma)

Lithology: Intermediate volcanic rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Neogene
2.588 - 23.03 Ma



ID: 3162702
Neogene andesite

Age: Neogene (2.588 - 23.03 Ma)

Lithology: Major:{andesite agglomerate}, Minor{andesite tuff,conglomerate,sandstone}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.


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.
 
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