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Koritnigite

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Formula:
Zn(HAsO4) · H2O
Colour:
Colorless to white
Lustre:
Vitreous, Sub-Vitreous
Hardness:
2
Specific Gravity:
3.54
Crystal System:
Triclinic
Name:
Named by P. Keller, P. Suesse, G. Schnorer, and P. Dunn, in honor of Professor Sigmund Koritnig (December 12, 1912 Graz, Austria – March 26, 1994 Göttingen, Germany), petrologist, University of Göttingen, Göttingen, Germany.
Compare cardite.


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Classification of KoritnigiteHide

Approved
Approval Year:
1978
8.CB.20

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
B : With only medium-sized cations, RO4:H2O = 1:1
39.1.4.1

39 : HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES
1 : A[HXO4]·xH2O
20.3.3

20 : Arsenates (also arsenates with phosphate, but without other anions)
3 : Arsenates of Zn, Cd or Hg

Physical Properties of KoritnigiteHide

Vitreous, Sub-Vitreous
Transparency:
Transparent
Colour:
Colorless to white
Streak:
White
Hardness:
Tenacity:
Flexible
Cleavage:
Perfect
{010} perfect; shows traces || [001] and [100]
Density:
3.54 g/cm3 (Measured)    3.56 g/cm3 (Calculated)

Optical Data of KoritnigiteHide

Type:
Biaxial (+)
RI values:
nα = 1.632 nβ = 1.652 nγ = 1.693
2V:
Measured: 70° , Calculated: 72°
Birefringence:
0.061
Max Birefringence:
δ = 0.061
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
weak to distinct
Optical Extinction:
Z ^ c = 22°; X=b
Pleochroism:
Non-pleochroic

Chemical Properties of KoritnigiteHide

Formula:
Zn(HAsO4) · H2O
IMA Formula:
Zn(AsO3OH) · H2O

Crystallography of KoritnigiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Setting:
P1
Cell Parameters:
a = 7.948 Å, b = 15.829 Å, c = 6.668 Å
α = 90.86°, β = 96.56°, γ = 90.05°
Ratio:
a:b:c = 0.502 : 1 : 0.421
Unit Cell V:
833.30 ų (Calculated from Unit Cell)
Z:
8
Morphology:
Wide bladed to acicular.
Comment:
Neues Jahrbuch MA 138:316 (1980) structure.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
7.9 (100)
3.95 (40)
3.83 (70)
3.16 (90)
2.93 (40)
2.68 (40)
2.46 (60)
2.19 (50)
Comments:
ICDD 34-1396

Type Occurrence of KoritnigiteHide

General Appearance of Type Material:
Oxidized zone of a polymetallic ore body.
Associated Minerals at Type Locality:

Synonyms of KoritnigiteHide

Other Language Names for KoritnigiteHide

Relationship of Koritnigite to other SpeciesHide

Other Members of this group:
Cobaltkoritnigite(Co,Zn)(HAsO4) · H2OTric. 1 : P1
MagnesiokoritnigiteMg(AsO3OH)·H2OTric. 1 : P1

Common AssociatesHide

Associated Minerals Based on Photo Data:
Cobaltkoritnigite2 photos of Koritnigite associated with Cobaltkoritnigite on mindat.org.
Proustite1 photo of Koritnigite associated with Proustite on mindat.org.
Warikahnite1 photo of Koritnigite associated with Warikahnite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.CB.05SerrabrancaiteMnPO4 · H2OMon. 2/m : B2/b
8.CB.10Hureaulite(Mn,Fe)5(PO4)2(HPO4)2 · 4H2OMon. 2/m : B2/b
8.CB.10SainfelditeCaCa2Ca2(AsO4)2(HAsO4)2 · 4H2OMon. 2/m : B2/b
8.CB.10VillyaelleniteMnMn2Ca2(AsO4)2(HAsO4)2 · 4H2OMon. 2/m : B2/b
8.CB.10UM1997-09-AsO:CaHMgZn(Mg,Ca,Zn)5(AsO4)2(HAsO4)2 · 4H2OMon.
8.CB.10NyholmiteCd3Zn2(AsO4)2(HAsO4)2 · 4H2OMon. 2/m : B2/b
8.CB.10MiguelromeroiteMnMn2Mn2(AsO4)2(HAsO4)2 · 4H2OMon. 2/m : B2/b
8.CB.15FluckiteCaMn2+(HAsO4)2 · 2H2OTric. 1 : P1
8.CB.15KrautiteMn(HAsO4) · H2OMon. 2 : P21
8.CB.20Cobaltkoritnigite(Co,Zn)(HAsO4) · H2OTric. 1 : P1
8.CB.25YvoniteCu(HAsO4) · 2H2OTric.
8.CB.30GeminiteCu(HAsO4) · H2OTric.
8.CB.35SchubneliteFe3+VO4 · H2OTric.
8.CB.40RadovaniteCu2Fe3+(AsO4)(HAs3+O3)2 · H2OOrth. mmm (2/m 2/m 2/m) : Pnma
8.CB.45KazakhstaniteFe3+5V4+3V5+12O39(OH)9 · 9H2OMon.
8.CB.50KolovratiteNixZny(VO4)0.67(x+y) · nH2O
8.CB.55IrhtemiteCa4Mg(AsO4)2(HAsO4)2 · 4H2OMon.
8.CB.60BurgessiteCo2(HAsO4)2 · 5H2OMon. 2/m

Related Minerals - Dana Grouping (8th Ed.)Hide

39.1.4.2Cobaltkoritnigite(Co,Zn)(HAsO4) · H2OTric. 1 : P1

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

20.3.1AdamiteZn2(AsO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnnm
20.3.2ParadamiteZn2(AsO4)(OH)Tric. 1 : P1
20.3.4LegranditeZn2(AsO4)(OH) · H2OMon. 2/m : P21/b
20.3.5WarikahniteZn3(AsO4)2 · 2H2OTric.
20.3.6KöttigiteZn3(AsO4)2 · 8H2OMon. 2/m : B2/m
20.3.7StranskiiteZn2Cu(AsO4)2Tric. 1 : P1
20.3.8Philipsburgite(Cu,Zn)6(AsO4,PO4)2(OH)6 · H2OMon.
20.3.9AustiniteCaZn(AsO4)(OH)Orth. 2 2 2 : P21 21 21
20.3.10ProsperiteCa2Zn4(AsO4)4 · H2OMon.
20.3.11GaititeCa2Zn(AsO4)2 · 2H2OTric.
20.3.12ZincroseliteCa2Zn(AsO4)2 · 2H2OMon.
20.3.13O'DanieliteNa(Zn,Mg)3H2(AsO4)3Mon. 2/m : B2/b
20.3.14JohilleriteNa(Mg,Zn)3Cu(AsO4)3Mon. 2/m : B2/b
20.3.15Holdenite(Mn2+,Mg)6Zn3(AsO4)2(SiO4)(OH)8Orth. mmm (2/m 2/m 2/m) : Ccca
20.3.16Chudobaite(Mg,Zn)5(AsO4)2(HAsO4)2 · 10H2OTric.
20.3.17Chlorophoenicite(Mn,Mg)3Zn2(AsO4)(OH,O)6Mon. 2/m : B2/m
20.3.18LotharmeyeriteCa(Zn,Mn3+)2(AsO4)2 · 2(H2O,OH)Mon. 2/m : B2/m
20.3.19Metaköttigite(Zn,Fe,Fe)3(AsO4)2 · 8(H2O,OH)Tric. 1 : P1
20.3.20OjuelaiteZnFe3+2(AsO4)2(OH)2 · 4H2OMon.
20.3.21FahleiteCaZn5Fe3+2(AsO4)6 · 14H2OOrth.
20.3.22KeyiteCu2+3Zn4Cd2(AsO4)6 · 2H2OMon. 2/m

Fluorescence of KoritnigiteHide

Not fluorescent.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for KoritnigiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
TMPM 26: 51 (1979).
American Mineralogist (1980): 65: 206.
Neues Jahrbuch für Mineralogie, Abhandlungen: 138: 316-332. structure.
Aufschluss (1980): 31:43.
Aufschluss (1983): 34: 5-8.

Internet Links for KoritnigiteHide

Localities for KoritnigiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Chile
 
  • Atacama Region
    • Copiapó Province
      • Tierra Amarilla
        • Pampa Larga district
Kampf, A. R., Mills, S. J., Housley, R. M., Rossman, G. R., Nash, B. P., Dini, M., & Jenkins, R. A. (2013). Joteite, Ca2CuAl [AsO4][AsO3 (OH)] 2 (OH) 2· 5H2O, a new arsenate with a sheet structure and unconnected acid arsenate groups. Mineralogical Magazine, 77(6), 2811-2823.; Kampf, A. R., Mills, S. J., Nash, B. P., Dini, M., & Molina Donoso, A. A. (2015). Tapiaite, Ca5Al2 (AsO4) 4 (OH) 4· 12H2O, a new mineral from the Jote mine, Tierra Amarilla, Chile. Mineralogical Magazine, 79(2), 345-354.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Karlovy Vary Region
      • Krušné Hory Mts (Erzgebirge)
        • Jáchymov District (St Joachimsthal)
          • Jáchymov (St Joachimsthal)
Lapis 2002(7/8)
Germany
 
  • Hesse
    • Richelsdorf District
      • Nentershausen
        • Süß
          • Richelsdorf Smelter
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1992
  • Rhineland-Palatinate
    • Lahn valley
Wittern: "Mineralfundorte in Deutschland", 2001
        • Frücht
Der Aufschluss Vol.55, March/April 2004
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Agios Konstantinos [St Constantine] (Kamariza)
          • Kamariza Mines (Kamareza Mines)
No reference listed
Lapis No.7/8 1999 p.70-74
Italy
 
  • Sardinia
    • Carbonia-Iglesias Province
      • Fluminimaggiore
Orlandi, P. (2011) : Zibaldone di mineralogia italiana 2010 parte seconda. Micro, 3/2011, 98 -100.
Namibia (TL)
 
  • Otjikoto Region (Oshikoto)
    • Tsumeb
Tschermaks Min.Petr.Mitt.(1979) 26, 51-58
Mineral and/or Locality  
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