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Kastningite

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About KastningiteHide

00091350015585389055779.jpg
Jürgen Kastning
Formula:
(Mn2+,Fe2+,Mg)Al2(PO4)2(OH)2 · 8H2O
Colour:
Generally colorless, may be white
Lustre:
Vitreous
Hardness:
1 - 2
Specific Gravity:
2.35
Crystal System:
Triclinic
Name:
Named in 1999 by Jochen Schlüter, Karl-Heinz Klaska, Karen Friese, and Gunadi Adiwidjaja after Jürgen Kastning (1932 - 5 January 2017), from Reinbeck near Hamburg, Germany, mineral collector and mineral dealer specializing in phosphate minerals, who discovered the mineral.
Dimorph of:
Commonly found in euhedral crystals. Crystals are generally transparent to white. The habit is frequently thin bladed with an acutely, steeply sloping end. Length of an individual crystal rarely reaches 1 mm in size.


Classification of KastningiteHide

Approved
Approval Year:
1997
8.DC.30

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
C : With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1

Physical Properties of KastningiteHide

Vitreous
Transparency:
Transparent, Translucent
Comment:
May be etched with reduced luster.
Colour:
Generally colorless, may be white
Streak:
White
Hardness:
1 - 2 on Mohs scale
Tenacity:
Brittle
Density:
2.35 g/cm3 (Measured)    2.379 g/cm3 (Calculated)

Optical Data of KastningiteHide

Type:
Biaxial (-)
RI values:
nα = 1.567 nβ = 1.574 nγ = 1.582
2V:
Measured: 94.7° , Calculated: 90.6°
Birefringence:
0.015
Max Birefringence:
δ = 0.015
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
r > v strong
Pleochroism:
Non-pleochroic

Chemical Properties of KastningiteHide

Formula:
(Mn2+,Fe2+,Mg)Al2(PO4)2(OH)2 · 8H2O
IMA Formula:
Mn2+Al2(PO4)2(OH)2 · 8H2O

Crystallography of KastningiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Setting:
P1
Cell Parameters:
a = 7.010 Å, b = 10.205 Å, c = 10.504 Å
α = 71.82°, β = 89.62°, γ = 69.90°
Ratio:
a:b:c = 0.687 : 1 : 1.029
Unit Cell V:
666.16 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Usually thin bladed with acutely sloping terminations.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
9.917 Å(100)
6.541 Å(36)
4.957 Å(50)
3.312 Å(23)
3.095 Å(28)
3.001 Å(30)
1.653 Å(25)

Geological EnvironmentHide

Geological Setting:
Granite pegmatite.

Type Occurrence of KastningiteHide

Synonyms of KastningiteHide

Other Language Names for KastningiteHide

German:Kastningit
Spanish:Kastningita

Relationship of Kastningite to other SpeciesHide

Other Members of this group:
FerrolaueiteFe2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
GordoniteMgAl2(PO4)2(OH)2 · 8H2OTric. 1 : P1
KummeriteMn2+Fe3+Al(PO4)2(OH)2·8H2OTric. 1 : P1
LaueiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
MangangordoniteMn2+Al2(PO4)2(OH)2 · 8H2OTric.
ParavauxiteFe2+Al2(PO4)2(OH)2 · 8H2OTric. 1 : P1
SigloiteFe3+Al2(PO4)2(OH)3 · 7H2OTric.
UshkoviteMgFe3+2(PO4)2(OH)2 · 8H2OTric.

Common AssociatesHide

IndicoliteA(D3)G6(T6O18)(BO3)3X3Z
QuartzSiO2
SideriteFeCO3
Associated Minerals Based on Photo Data:
3 photos of Kastningite associated with MangangordoniteMn2+Al2(PO4)2(OH)2 · 8H2O
3 photos of Kastningite associated with StrengiteFePO4 · 2H2O
3 photos of Kastningite associated with CacoxeniteFe3+24AlO6(PO4)17(OH)12 · 75H2O
3 photos of Kastningite associated with EarlshannoniteMn2+Fe3+2(PO4)2(OH)2 · 4H2O
2 photos of Kastningite associated with Rittmannite{(Mn2+,Ca)}{Mn2+}{(Fe2+,Mn2+,Mg)2}{(Al,Fe3+)2}(PO4)4(OH)2 · 8H2O
1 photo of Kastningite associated with NordgauiteMnAl2(PO4)2(F,OH)2 · 5H2O
1 photo of Kastningite associated with SideriteFeCO3
1 photo of Kastningite associated with QuartzSiO2
1 photo of Kastningite associated with EosphoriteMn2+Al(PO4)(OH)2 · H2O
1 photo of Kastningite associated with StrunziteMn2+Fe3+2(PO4)2(OH)2 · 6H2O

Related Minerals - Nickel-Strunz GroupingHide

8.DC.05NissoniteCu2Mg2(PO4)2(OH)2 · 5H2OMon.
8.DC.07EuchroiteCu2(AsO4)(OH) · 3H2OOrth. 2 2 2 : P21 21 21
8.DC.10LegranditeZn2(AsO4)(OH) · H2OMon. 2/m : P21/b
8.DC.12StrashimiriteCu8(AsO4)4(OH)4 · 5H2OMon.
8.DC.15ArthuriteCuFe3+2(AsO4)2(OH)2 · 4H2OMon.
8.DC.15EarlshannoniteMn2+Fe3+2(PO4)2(OH)2 · 4H2OMon.
8.DC.15OjuelaiteZnFe3+2(AsO4)2(OH)2 · 4H2OMon.
8.DC.15WhitmoreiteFe2+Fe3+2(PO4)2(OH)2 · 4H2OMon. 2/m : P21/b
8.DC.15Cobaltarthurite(Co,Mg)Fe3+2(AsO4)2(OH)2 · 4H2OMon. 2/m : P21/b
8.DC.15BendadaiteFe2+Fe3+2(AsO4)2(OH)2 · 4H2OMon. 2/m : P21/b
8.DC.15KunatiteCuFe3+2(PO4)2(OH)2 · 4H2OMon. 2/m : P21/b
8.DC.15UKI-2006-(PO:FeHZn)ZnFe3+2(PO4)2(OH)2 · 4H2OMon.
8.DC.15UKI-2006-(PO:AlCuFeH)Fe2+Al3+2(PO4)2(OH)2 · 4H2O
8.DC.17KleemaniteZnAl2(PO4)2(OH)2 · 3H2OMon.
8.DC.20BermaniteMn2+Mn3+2(PO4)2(OH)2 · 4H2OMon. 2/m : P2/b
8.DC.20CoralloiteMn2+Mn3+2(AsO4)2(OH)2 · 4H2OTric. 1 : P1
8.DC.22KovdorskiteMg2(PO4)(OH) · 3H2OMon.
8.DC.25FerristrunziteFe3+Fe3+2(PO4)2(OH)3 · 5H2OTric.
8.DC.25FerrostrunziteFe2+Fe3+2(PO4)2(OH)2 · 6H2OTric.
8.DC.25MetavauxiteFe2+Al2(PO4)2(OH)2 · 8H2OMon. 2/m : P21/b
8.DC.25MetavivianiteFe2+Fe3+2(PO4)2(OH)2 · 6H2OTric. 1 : P1
8.DC.25StrunziteMn2+Fe3+2(PO4)2(OH)2 · 6H2OTric. 1 : P1
8.DC.27BerauniteFe2+Fe3+5(PO4)4(OH)5 · 6H2OMon. 2/m : B2/b
8.DC.30GordoniteMgAl2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30LaueiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30MangangordoniteMn2+Al2(PO4)2(OH)2 · 8H2OTric.
8.DC.30ParavauxiteFe2+Al2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30PseudolaueiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OMon. 2/m : P21/b
8.DC.30SigloiteFe3+Al2(PO4)2(OH)3 · 7H2OTric.
8.DC.30StewartiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30UshkoviteMgFe3+2(PO4)2(OH)2 · 8H2OTric.
8.DC.30FerrolaueiteFe2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30MaghrebiteMgAl2(AsO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30NordgauiteMnAl2(PO4)2(F,OH)2 · 5H2OTric. 1 : P1
8.DC.32TinticiteFe3+5.34(PO4)3.62(VO4)0.38(OH)4 · 6.7H2OTric. 1 : P1
8.DC.35VauxiteFe2+Al2(PO4)2(OH)2 · 6H2OTric. 1 : P1
8.DC.37VantasseliteAl4(PO4)3(OH)3 · 9H2OOrth.
8.DC.40CacoxeniteFe3+24AlO6(PO4)17(OH)12 · 75H2OHex. 6/m : P63/m
8.DC.45Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2OTric.
8.DC.45Souzalite(Mg,Fe2+)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2OTric.
8.DC.47KingiteAl3(PO4)2F2(OH) · 7H2OTric.
8.DC.50WavelliteAl3(PO4)2(OH,F)3 · 5H2OOrth. mmm (2/m 2/m 2/m)
8.DC.50AllanpringiteFe3+3(PO4)2(OH)3 · 5H2OMon. 2/m : P21/m
8.DC.52KribergiteAl5(PO4)3(SO4)(OH)4 · 4H2OTric. 1 : P1
8.DC.55MapimiteZn2Fe3+3(AsO4)3(OH)4 · 10H2OMon.
8.DC.57OgdensburgiteCa2Fe3+4(Zn,Mn2+)(AsO4)4(OH)6 · 6H2OOrth. mmm (2/m 2/m 2/m) : Cmmm
8.DC.60Nevadaite(Cu2+,Al,V3+)6Al8(PO4)8F8(OH)2 · 22H2OOrth. mmm (2/m 2/m 2/m)
8.DC.60CloncurryiteCu0.5(VO)0.5Al2(PO4)2F2 · 5H2OMon. 2/m : P21/b

Fluorescence of KastningiteHide

Not Fluorescent in UV

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 KastningiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
J. Schlüter, K.-H Klaska, K. Friese, and G. Adiwidjaja, 1999, Neues Jahrbuch für Mineralogie, Monatshefte (1999): 40-48.
Schlüter, J. and Kastning, J. (1999): Das neue Phosphatmineral Kastningit und weitere Neufunde aus Waidhaus, Oberpfalz. Lapis: 24(6): 39-42, 62. (in German).
Zeitschrift für Kristallographie: 214: 465-468.

Internet Links for KastningiteHide

Localities for KastningiteHide

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.
France
 
  • Occitanie
    • Pyrénées-Orientales
Berbain,C., Riley, T., Favreau, G., (2012): Phosphates des pegmatites du massif des Albères (Pyrénées-Orientales). Le Cahier des Micromonteurs. 117, 121-172
        • Collioure (Cotlliure)
BERBAIN. C, RILEY. T, FAVREAU. G, (2012) Phosphates des pegmatites du massif des Albères. Ed Association Française de Microminéralogie
Germany
 
  • Bavaria
    • Upper Palatinate
      • Neustadt an der Waldnaab
        • Waidhaus
          • Hagendorf
http://www.berthold-weber.de/h_miner.htm; Grey, I. E., Macrae, C. M., Keck, E., & Birch, W. D. (2012). Aluminium-bearing strunzite derived from jahnsite at the Hagendorf-Süd pegmatite, Germany. Mineralogical Magazine, 76(5), 1165-1174.
N. Jb. Miner. Mh., 1, 1999, 40 - 48; Dill, H. G., Weber, B., Gerdes, A., & Melcher, F. (2008). The Fe-Mn phosphate apliteSilbergrube'near Waidhaus, Germany: epithermal phosphate mineralization in the Hagendorf-Pleystein pegmatite province. Mineralogical Magazine, 72(5), 1119-1144.
Portugal
 
  • Guarda
    • Sabugal
      • Bendada
Pedro Alves collection
Pedro Alves collection - pXRD analyzed
USA
 
  • Maine
    • Oxford County
      • Greenwood
        • Uncle Tom Mountain
Jason B. Smith.; Falster, A. U., Simmons, W. B., Webber, K. L., Dallaire, D. A., Nizamoff, J. W., & Sprague, R. A. (2019). The Emmons Pegmatite, Greenwood, Oxford County, Maine. Rocks & Minerals, 94(6), 498-519.
      • Newry
Van King
  • North Carolina
    • Cleveland Co.
      • Kings Mountain Mining District
confirmed by EDS/XRD, New Orleans University, 2001
    • Gaston Co.
      • Bessemer City
site indentification by comparsion to Foote mine specimens
 
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