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Wallkilldellite

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About WallkilldelliteHide

Formula:
Ca2Mn2+3(AsO4)2(OH)4 · 9H2O
Colour:
Dark red to nearly black
Lustre:
Resinous, Pearly
Hardness:
3
Specific Gravity:
2.90
Crystal System:
Hexagonal
Name:
Named in 1983 by Pete J. Dunn and Donald Ralph Peacor for its discovery locality, the Sterling Mine in the Wallkill Dell (Wallkill Valley), Ogdensburg, New Jersey, USA. No suffix for the manganese dominance was added by the IMA. Any entries that use "-(Mn)" are in error.
The Mn analogue of Wallkilldellite-(Fe).


Classification of WallkilldelliteHide

Approved
Approval Year:
1982
8.DL.20

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
L : With large and medium-sized cations, (OH, etc.):RO4 = 2:1
20.8.16

20 : Arsenates (also arsenates with phosphate, but without other anions)
8 : Arsenates of Mn

Physical Properties of WallkilldelliteHide

Resinous, Pearly
Transparency:
Translucent
Comment:
Internal bonzey-colored pearly luster at type locality
Colour:
Dark red to nearly black
Streak:
Pale orange
Hardness:
Density:
2.90 g/cm3 (Measured)    2.85 g/cm3 (Calculated)

Optical Data of WallkilldelliteHide

Type:
Uniaxial (-)

Chemical Properties of WallkilldelliteHide

Formula:
Ca2Mn2+3(AsO4)2(OH)4 · 9H2O

Crystallography of WallkilldelliteHide

Crystal System:
Hexagonal
Cell Parameters:
a = 6.506 Å, c = 23.49 Å
Ratio:
a:c = 1 : 3.611
Unit Cell V:
861.08 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
11.5 (100)
5.61 (90)
5.05 (10)
4.56 (40)
4.06 (5)
3.92 (2)
3.25 (40)
2.936 (10)
2.844 (60)
2.810 (1)
2.748 (50)
2.545 (50)
2.349 (40)
2.182 (20)
2.136 (30)
2.101 (20)
1.886 (2)
1.794 (5)
1.727 (2)
1.611 (5)
1.492 (2)
1.446 (5)
1.425 (2)
1.341 (5)
Comments:
ICDD 35-608

Type Occurrence of WallkilldelliteHide

Synonyms of WallkilldelliteHide

Other Language Names for WallkilldelliteHide

Relationship of Wallkilldellite to other SpeciesHide

Structurally related to group(s):

Related Minerals - Nickel-Strunz GroupingHide

8.DL.05FoggiteCaAl(PO4)(OH)2 · H2OOrth.
8.DL.10CyriloviteNaFe3+3(PO4)2(OH)4 · 2H2OTet. 4 2 2 : P41 21 2
8.DL.10Millisite(Na,K)CaAl6(PO4)4(OH)9 · 3H2OTet.
8.DL.10WarditeNaAl3(PO4)2(OH)4 · 2H2OTet. 4 2 2 : P41 21 2
8.DL.15Agardite-(Nd)NdCu6(AsO4)3(OH)6 · 3H2OHex. 6/m : P63/m
8.DL.15Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2OHex. 6/m : P63/m
8.DL.15Agardite-(Ce)CeCu6(AsO4)3(OH)6 · 3H2OHex. 6/m : P63/m
8.DL.15Agardite-(La)LaCu6(AsO4)3(OH)6 · 3H2OHex. 6/m
8.DL.15GoudeyiteAlCu6(AsO4)3(OH)6 · 3H2OHex.
8.DL.15MixiteBiCu6(AsO4)3(OH)6 · 3H2OHex. 6/m : P63/m
8.DL.15Petersite-(Y)(Y,Ce,Nd)Cu6(PO4)3(OH)6 · 3H2OHex.
8.DL.15ZálesíiteCaCu6(AsO4)2(AsO3OH)(OH)6 · 3H2OHex.
8.DL.15Plumboagardite(Pb,REE,Ca)Cu6(AsO4)3(OH)6 · 3H2OHex. 6/m : P63/m
8.DL.15CalciopetersiteCaCu6(PO4)2(PO3OH)(OH)6 · 3H2OHex. 6/m : P63/m
8.DL.20CheremnykhitePb3Zn3(VO4)2(TeO6)Orth.
8.DL.20DugganitePb3Zn3(AsO4)2(TeO6)Trig. 3 2 : P3 2 1
8.DL.20KuksitePb3Zn3(PO4)2(TeO6)Trig. 3 2 : P3 2 1
8.DL.20Wallkilldellite-(Fe)(Ca,Cu)4Fe2+6(AsO4,SiO4)4(OH,O)8 · 18H2OHex.
8.DL.25AngastoniteCaMgAl2(PO4)2(OH)4 · 7H2OTric. 1 : P1

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

20.8.1SarkiniteMn2+2(AsO4)(OH)Mon. 2/m : P2/m
20.8.2EveiteMn2+2(AsO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnnm
20.8.3ArsenoclasiteMn2+5(AsO4)2(OH)4Orth.
20.8.4FlinkiteMn2+2Mn3+(AsO4)(OH)4Orth.
20.8.5JarosewichiteMn2+3Mn3+(AsO4)(OH)6Orth. 2 2 2
20.8.6AllactiteMn2+7(AsO4)2(OH)8Mon. 2/m : P21/b
20.8.7KrautiteMn(HAsO4) · H2OMon. 2 : P21
20.8.8SynadelphiteMn2+9(As5+O4)2(As3+O3)(OH)9 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnma
20.8.9SterlinghilliteMn3(AsO4)2 · 4H2OTric. 1 : P1
20.8.10GeigeriteMn2+5(AsO4)2(HAsO4)2 · 10H2OTric.
20.8.11Akrochordite(Mn2+,Mg)5(AsO4)2(OH)4 · 4H2OMon. 2/m : P21/b
20.8.12Manganohörnesite(Mn,Mg)3(AsO4)2 · 8H2OMon. 2/m : P2/m
20.8.13FluckiteCaMn2+(HAsO4)2 · 2H2OTric. 1 : P1
20.8.14BrandtiteCa2(Mn2+,Mg)(AsO4)2 · 2H2OMon. 2/m : P21/b
20.8.15ParabrandtiteCa2Mn2+(AsO4)2 · 2H2OTric.
20.8.17Berzeliite(NaCa2)Mg2(AsO4)3Iso. m3m (4/m 3 2/m) : Ia3d
20.8.18ManganberzeliiteNaCa2Mn2+2(AsO4)3Iso. m3m (4/m 3 2/m) : Ia3d
20.8.19Magnesiochlorophoenicite(Mg,Mn)3Zn2(AsO4)(OH,O)6Mon. 2/m : B2/m
20.8.20VillyaelleniteMnMn2Ca2(AsO4)2(HAsO4)2 · 4H2OMon. 2/m : B2/b
20.8.21Hematolite(Mn,Mg,Al,Fe3+)15(As5+O4)2(As3+O3)(OH)23Trig. 3 : R3
20.8.22GrischuniteNaCa2Mn2+5Fe3+(AsO4)6 · 2H2OOrth.

Fluorescence of WallkilldelliteHide

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 WallkilldelliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1983): 68: 1029-1032.

Internet Links for WallkilldelliteHide

Localities for WallkilldelliteHide

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
 
  • Auvergne-Rhône-Alpes
    • Rhône
      • Beaujeu
        • Les Ardillats
Favreau G., Legris J-R., Dardillac M. (1996), La Verrière (Rhône): Histoire et Minéralogie, Le Cahier des Micromonteurs, n°3, pp:3-28
  • Provence-Alpes-Côte d'Azur
    • Alpes-Maritimes
      • Guillaumes
        • Daluis
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium; Lavreotiki Municipality)
      • Lavrion District Mines
        • Lavrion (Laurion; Laurium)
Möckel, S. (2001): Wallkilldellit und weitere acht Neubestimmungen aus Lavrion, Griechenland. Lapis 26 (11), 43.
Italy
 
  • Aosta Valley
    • Nus
      • Saint-Barthélemy
AMI UK Service
  • Liguria
    • Genova Province
      • Ne
        • Graveglia Valley
Analyses of Anthony Kampf of Natural History museum of Los Angeles - U.S.A.
          • Reppia
            • Monte Copello
analysed by Dr. Anthony Kampf, Natural History Museum of Los Angeles County, USA
    • La Spezia Province
      • Rocchetta Vara
Analyses of Anthony Kampf of Natural History museum of Los Angeles - U.S.A.; Kampf, A.R., Cámara, F., Ciriotti, M.E., Nash, B.P., Balestra, C., Chiappino, L. (2016): Castellaroite, Mn2+3(AsO4)2⋅4.5H2O, a new mineral from Italy related to metaswitzerite. European Journal of Mineralogy, 28, 687-696.
  • Piedmont
    • Cuneo Province
      • Maira Valley
        • Canosio
          • Vallone della Valletta
Cámara, F., Bittarello, E., Ciriotti, M.E., Nestola, F., Radica, F., Massimi, F., Balestra, C., Bracco, R. (2017a) As-bearing new mineral species from Valletta mine, Maira Valley, Piedmont, Italy: III. Canosioite, Ba2Fe3+(AsO4)2(OH), description and crystal structure. Mineralogical Magazine, 81, 305–317.
Japan
 
  • Honshu Island
    • Tohoku Region
      • Fukushima Prefecture
        • Iwaki City
Matsubara, S. et al (2001) Bulletin of the National Science Museum (Tokyo), 27, 45-50.
Switzerland
 
  • Grischun (Grisons; Graubünden)
    • Albula Valley
      • Oberhalbstein (Surses; Sursass)
        • Tinizong (Tinzen)
    • Hinterrhein Valley
      • Ferrera Valley
        • Ausserferrera
Steve Sorrell Collection (from Sauktown Sales)
Brugger, J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel. 188 p.; Brugger, J., Berlepsch, P. (1997) Johninnesite Na2(Mn)9(Mn,Mg)7(AsO4)2(Si6O17)2(OH)8: a new occurrence in Val Ferrera (Graubünden, Switzerland): Schweiz. Mineral. Petrogr. Mitt., 77, 449-455.
        • Starlera Valley
Lapis 27(11),43(2002); Atencio, D., Ciriotti, M. E. & Andrade, M. B. (2013): Fluorcalcioroméite, (Ca,Na)2Sb5+2(O,OH)6F, a new roméite-group mineral from Starlera mine, Ferrera, Grischun, Switzerland: description and crystal structure. Mineralogical Magazine, 77, 467-473.
      • Rheinwald
        • Splügen
Roth, P. & Meisser, N. (2011): I minerali dell'Alpe Tanatz. Passo dello Spluga (Grigioni, Svizzera). Rivista Mineralogica Italiana, 2/2011, 90-99
  • Wallis (Valais)
    • Anniviers Valley
      • Saint-Luc
Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
    • Turtmann Valley
      • Pipjitälli
Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
USA
 
  • New Jersey
    • Sussex Co.
      • Franklin mining district
Steven Kuitems
Steven Kuitems
Heixong Yang
        • Ogdensburg
          • Sterling Hill
Dunn, P.J. & Peacor, D.R.: Am.Min.:68:1029-1032 (1983); Dunn(1995):Pt5:684.
Mineral and/or Locality  
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