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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.


Classification of Koritnigite

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 Koritnigite

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 Koritnigite

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 Koritnigite

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

Crystallography of Koritnigite

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 Diffraction

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 Koritnigite

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

Synonyms of Koritnigite

Other Language Names for Koritnigite

Relationship of Koritnigite to other Species

Other Members of this group:
Cobaltkoritnigite(Co,Zn)(HAsO4) · H2O
MagnesiokoritnigiteMg(AsO3OH)·H2O

Common Associates

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 Grouping

8.CB.05SerrabrancaiteMnPO4 · H2O
8.CB.10Hureaulite(Mn,Fe)5(PO4)2(HPO4)2 · 4H2O
8.CB.10SainfelditeCaCa2Ca2(AsO4)2(HAsO4)2 · 4H2O
8.CB.10VillyaelleniteMnMn2Ca2(AsO4)2(HAsO4)2 · 4H2O
8.CB.10UM1997-09-AsO:CaHMgZn(Mg,Ca,Zn)5(AsO4)2(HAsO4)2 · 4H2O
8.CB.10NyholmiteCd3Zn2(AsO4)2(HAsO4)2 · 4H2O
8.CB.10MiguelromeroiteMnMn2Mn2(AsO4)2(HAsO4)2 · 4H2O
8.CB.15FluckiteCaMn2+(HAsO4)2 · 2H2O
8.CB.15KrautiteMn(HAsO4) · H2O
8.CB.20Cobaltkoritnigite(Co,Zn)(HAsO4) · H2O
8.CB.25YvoniteCu(HAsO4) · 2H2O
8.CB.30GeminiteCu(HAsO4) · H2O
8.CB.35SchubneliteFe3+VO4 · H2O
8.CB.40RadovaniteCu2Fe3+(AsO4)(HAs3+O3)2 · H2O
8.CB.45KazakhstaniteFe3+5V4+3V5+12O39(OH)9 · 9H2O
8.CB.50KolovratiteNixZny(VO4)0.67(x+y) · nH2O
8.CB.55IrhtemiteCa4Mg(AsO4)2(HAsO4)2 · 4H2O
8.CB.60BurgessiteCo2(HAsO4)2 · 5H2O

Related Minerals - Hey's Chemical Index of Minerals Grouping

20.3.1AdamiteZn2(AsO4)(OH)
20.3.2ParadamiteZn2(AsO4)(OH)
20.3.4LegranditeZn2(AsO4)(OH) · H2O
20.3.5WarikahniteZn3(AsO4)2 · 2H2O
20.3.6KöttigiteZn3(AsO4)2 · 8H2O
20.3.7StranskiiteZn2Cu(AsO4)2
20.3.8Philipsburgite(Cu,Zn)6(AsO4,PO4)2(OH)6 · H2O
20.3.9AustiniteCaZn(AsO4)(OH)
20.3.10ProsperiteCa2Zn4(AsO4)4•H2O ·
20.3.11GaititeCa2Zn(AsO4)2 · 2H2O
20.3.12ZincroseliteCa2Zn(AsO4)2 · 2H2O
20.3.13O'DanieliteNa(Zn,Mg)3H2(AsO4)3
20.3.14JohilleriteNa(Mg,Zn)3Cu(AsO4)3
20.3.15Holdenite(Mn2+,Mg)6Zn3(AsO4)2(SiO4)(OH)8
20.3.16Chudobaite(Mg,Zn)5(AsO4)2(HAsO4)2 · 10H2O
20.3.17Chlorophoenicite(Mn,Mg)3Zn2(AsO4)(OH,O)6
20.3.18LotharmeyeriteCa(Zn,Mn3+)2(AsO4)2 · 2(H2O,OH)
20.3.19Metaköttigite(Zn,Fe,Fe)3(AsO4)2 · 8(H2O,OH)
20.3.20OjuelaiteZnFe3+2(AsO4)2(OH)2 · 4H2O
20.3.21FahleiteCaZn5Fe3+2(AsO4)6 · 14H2O
20.3.22KeyiteCu2+3Zn4Cd2(AsO4)6 · 2H2O

Related Minerals - Dana Grouping (8th Ed.)

39.1.4.2Cobaltkoritnigite(Co,Zn)(HAsO4) · H2O

Fluorescence of Koritnigite

Not fluorescent.

Other Information

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 Koritnigite

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 Koritnigite

mindat.org URL:
https://www.mindat.org/min-2252.html
Please feel free to link to this page.

Localities for Koritnigite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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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