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Sicklerite

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Formula:
Li1-x(Mn3+xMn2+1-x)PO4
Colour:
Dark brown to yellow-brown
Lustre:
Dull
Hardness:
4
Specific Gravity:
3.2 - 3.4
Crystal System:
Orthorhombic
Name:
Named after the Sickler family, mineral collectors of Pala, San Diego County, California (USA).
Triphylite Group Ferrisicklerite-Sicklerite Series

Occurs only as an alteration product of Triphylite and Lithiophilite, commonly as rims around partly altered masses or crystals of the latter species.


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Classification of SickleriteHide

Approved, 'Grandfathered' (first described prior to 1959)
8.AB.10

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
B : With medium-sized cations
Dana 7th ed.:
38.1.4.2
38.1.4.2

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
1 : ABXO4
19.1.11

19 : Phosphates
1 : Phosphates of the alkali metals

Pronounciation of SickleriteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of SickleriteHide

Transparency:
Opaque
Colour:
Dark brown to yellow-brown
Streak:
Light yellow-brown, brown, reddish brown
Hardness:
Cleavage:
Distinct/Good
On {100}, good.
Density:
3.2 - 3.4 g/cm3 (Measured)    

Optical Data of SickleriteHide

Type:
Biaxial (-)
RI values:
nα = 1.715 - 1.740 nβ = 1.735 - 1.770 nγ = 1.745 - 1.830
2V:
Measured: 60° to 90°, Calculated: 68° to 74°
Max Birefringence:
δ = 0.030 - 0.090
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
relatively strong
Pleochroism:
Visible
Comments:
X = a = Dark reddish
Y = Lighter reddish
Z = Very light reddish

Chemical Properties of SickleriteHide

Formula:
Li1-x(Mn3+xMn2+1-x)PO4
IMA Formula:
LiMn2+PO4

Crystallography of SickleriteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 5.94 Å, b = 10.06 Å, c = 4.79 Å
Ratio:
a:b:c = 0.59 : 1 : 0.476
Unit Cell V:
286.23 ų (Calculated from Unit Cell)

Type Occurrence of SickleriteHide

Synonyms of SickleriteHide

Other Language Names for SickleriteHide

Relationship of Sicklerite to other SpeciesHide

Other Members of this group:
FerrisickleriteLi1-x(Fe3+xFe2+1-x)PO4Orth.
KarenwebberiteNa(Fe2+,Mn2+)PO4Orth. mmm (2/m 2/m 2/m) : Pnma
LithiophiliteLiMn2+PO4Orth. mmm (2/m 2/m 2/m) : Pmna
NatrophiliteNaMn2+PO4Orth. mmm (2/m 2/m 2/m) : Pmna
Purpurite(Mn3+,Fe3+)PO4Orth. mmm (2/m 2/m 2/m) : Pmna
TriphyliteLiFe2+PO4Orth. mmm (2/m 2/m 2/m) : Pmna
Forms a series with:

Common AssociatesHide

Associated Minerals Based on Photo Data:
Hureaulite4 photos of Sicklerite associated with Hureaulite on mindat.org.
Salmonsite3 photos of Sicklerite associated with Salmonsite on mindat.org.
Lithiophilite2 photos of Sicklerite associated with Lithiophilite on mindat.org.
Strengite1 photo of Sicklerite associated with Strengite on mindat.org.
Stewartite1 photo of Sicklerite associated with Stewartite on mindat.org.
Lepidolite1 photo of Sicklerite associated with Lepidolite on mindat.org.
Purpurite1 photo of Sicklerite associated with Purpurite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.AB.BorisenkoiteCu3[(V,As)O4]2Mon. 2/m : P21/b
8.AB.05FarringtoniteMg3(PO4)2Mon. 2/m
8.AB.10FerrisickleriteLi1-x(Fe3+xFe2+1-x)PO4Orth.
8.AB.10Heterosite(Fe3+,Mn3+)PO4Orth. mmm (2/m 2/m 2/m) : Pmna
8.AB.10LithiophiliteLiMn2+PO4Orth. mmm (2/m 2/m 2/m) : Pmna
8.AB.10NatrophiliteNaMn2+PO4Orth. mmm (2/m 2/m 2/m) : Pmna
8.AB.10Purpurite(Mn3+,Fe3+)PO4Orth. mmm (2/m 2/m 2/m) : Pmna
8.AB.10SimferiteLi(Mg,Fe3+,Mn3+)2(PO4)2Orth.
8.AB.10TriphyliteLiFe2+PO4Orth. mmm (2/m 2/m 2/m) : Pmna
8.AB.10KarenwebberiteNa(Fe2+,Mn2+)PO4Orth. mmm (2/m 2/m 2/m) : Pnma
8.AB.15Sarcopside(Fe2+,Mn2+,Mg)3(PO4)2Mon. 2/m : P21/b
8.AB.15Chopinite(Mg,Fe2+)3(PO4)2Mon. 2/m : P21/b
8.AB.20BeusiteMn2+Mn2+2 (PO4)2Mon.
8.AB.20GraftoniteFe2+Fe2+2(PO4)2Mon. 2/m : P21/b
8.AB.25XanthiositeNi3(AsO4)2Mon. 2/m : P21/b
8.AB.30LammeriteCu3(AsO4)2Mon.
8.AB.30Lammerite-βCu3(AsO4)2Mon. 2/m : P21/b
8.AB.35McbirneyiteCu3(VO4)2Tric.
8.AB.35StranskiiteZn2Cu(AsO4)2Tric. 1 : P1
8.AB.35PseudolyonsiteCu3(VO4)2Mon. 2/m : P21/b
8.AB.40LyonsiteCu3Fe4(VO4)6Orth.

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

38.1.4.1FerrisickleriteLi1-x(Fe3+xFe2+1-x)PO4Orth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.1.1LithiophosphateLi3PO4Orth. mm2 : Pmn21
19.1.2OlympiteNa5Li(PO4)2Orth.
19.1.3NahpoiteNa2HPO4Mon. 2/m : P21/m
19.1.4DorfmaniteNa2HPO4 · 2H2OOrth.
19.1.5NalipoiteNaLi2PO4Orth.
19.1.6StercoriteNa(NH4)HPO4 · 4H2OTric.
19.1.7Archerite(K,NH4)(H2PO4)Tet. 4 2m : I4 2d
19.1.8Biphosphammite(NH4,K)(H2PO4)Tet. 4 2 2 : I41 2 2
19.1.9Phosphammite(NH4)2(HPO4)Mon. 2/m : P21/b
19.1.10LithiophiliteLiMn2+PO4Orth. mmm (2/m 2/m 2/m) : Pmna
19.1.12FerrisickleriteLi1-x(Fe3+xFe2+1-x)PO4Orth.
19.1.13TriphyliteLiFe2+PO4Orth. mmm (2/m 2/m 2/m) : Pmna
19.1.14TavoriteLiFe3+(PO4)(OH)Tric. 1 : P1
19.1.15MarićiteNaFe2+(PO4)Orth. mmm (2/m 2/m 2/m) : Pmna

Other InformationHide

Notes:
Soluble in acids.

Alters to the Heterosite-Purpurite Series by oxidation of the Mn'' and leaching of the Li.
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 SickleriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Lacroix, A. (1910) Minéralogie de la France et des ses colonies, Paris. 5 volumes: vol. 4: 469 (as Pseudohétérosite).
Schaller (1912) Journal of the Washington Academy of Sciences: 2: 143.
Berggren analysis in: Mason (1941) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 63: 117.
American Mineralogist (1941): 26: 681.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 672-673.
Bulletin de la Société française de Minéralogie et de Cristallographie (1976): 99: 274.

Internet Links for SickleriteHide

Localities for SickleriteHide

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.
Argentina
 
  • San Luis
    • Coronel Pringles Department
      • Totoral pegmatitic field
OYARZABAL, J. and GALLISKI, M.A.. Hureaulite, Mn+25(H2O)4[PO3(OH)]2[PO4]2, from different deposits of the Totoral pegmatitic field, San Luis. Rev. Asoc. Geol. Argent. [online]. 2007, vol.62, n.2, pp. 210-216.
    • San Martín department
      • Las Aguadas
Roda-Robles, E., Galliski, M. A., Roquet, M. B., Hatert, F., & de Paeseval, P. (2012). Phosphate nodules containing two distinct assemblages in the Cema granitic pegmatite, San Luis province, Argentina: Paragenesis, composition and significance. The Canadian Mineralogist, 50(4), 913-931.
Australia
 
  • Western Australia
    • Port Hedland Shire
      • Abydos Station
        • Wodgina
Calderwood, M.A., Grguric, B.A., Jacobson, M.I., (2007) Guidebook to the Pegmatites of Western Australia.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 673.; Mason, B. & Dunn, P.J. (1974): An unusual occurrence of Bobierrite at Wodgina, Western Australia. Mineralogical Record 5 (6): 265
      • Strelley Station
Calderwood, M.A., Grguric, B.A., Jacobson, M.I., (2007) Guidebook to the Pegmatites of Western Australia. Hesperian Press, Carlisle, Western Australia.
China
 
  • Xinjiang Autonomous Region
    • Yili Hasake Autonomous Prefecture (Ili Kazakh Autonomous Prefecture)
      • Aletai Prefecture (Altay Prefecture)
        • Fuyun Co. (Koktokay Co.)
Zhang Rubo (1981): Chinese Science Bulletin 26(4).
        • Qinghe Co. (Qinggil Co.; Chinggil Co.)
Denghong Wang, Yuchuan Chen, and Zhigang Xu (2001): Acta Geologica Sinica 80(3), 419-425
Ma Zhesheng, Shi Nicheng, and Ye Danian (2005): Science in China, Series D (Earth Sciences), 48(5), 635-646.
Finland
 
  • Eastern Finland Region
    • Tohmajärvi
Teertsra David K., Lahti Seppo I., Alviola Reijo, Cerny Petr. 1993. Geological Survey of Finland Bulletin 368, 39 s.
  • Southern Finland Region
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 673.
Lahti, S. I. (ed.) (1989): Late oreogenic and synorgenic svecofennian granitoids and associated pegmatites of southern Finland. Excursion C1. Symposium. Precambrian granitoids. Petrogenesis, geochemistry and metallogeny. August 14-17, 1989, University of Helsinki, Finland. Geological Survey of Finland. Opas - Guide 26.
  • Western and Inner Finland Region
    • Orivesi
      • Eräjärvi area
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 673.
Morocco
 
  • Marrakech-Safi Region
    • Rehamna Province
      • Jebilet Mtn (Djebilet Mtn)
Fontan, F. (1978) : Etude minéralogique et essais expérimentaux sur les phosphates de fer et de manganèse des pegmatites des Jebilet (Maroc) et des Pyrénées (France), PhD thesis, Toulouse, 272 p.
Namibia
 
  • Erongo Region
    • Karibib District
      • Okongava Ost Farm 72
Keller, P. (1991): The occurrence of Li-Fe-Mn phosphate minerals in granitic pegmatites of Namibia. Communs. Geol. Surv. Namibia, 7, 21-34.
  • Karas Region
    • Berseba District
Bezing, L. von, Bode, R. & Jahn, S. (2008): Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern: 393 (in English)
Norway
 
  • Nordland
    • Meløy
      • Holandsfjord
Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p. 115
Portugal
 
  • Guarda District
    • Sabugal
      • Bendada
Schnorrer-Köhler (1991), Mineral Occurrences.
  • Viana do Castelo District
    • Ponte da Barca
      • São Lourenço de Touvedo
Self-find by Nuno Afonso; optical and XRD analysed
  • Viseu District
    • Mangualde
Russia
 
  • Eastern-Siberian Region
    • Prebaikalia (Pribaikal'e)
      • Irkutskaya Oblast'
Dmitriy Belakovskiy
Rwanda
 
  • Western Province
    • Gatumba District
Bertossa, A., 1967. Inventaire des minéraux du Rwanda. Bulletin du Service Géologique de Rwanda 4, 25-45.; Daltry, V.D.C. and O. von Knorring (1998) Type-Mineralogy of Rwanda with Particular Reference to the Buranga Pegmatite. Geologica Belgica 1:1-9
Sweden
 
  • Västerbotten
    • Skellefteå
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 673.
USA
 
  • Arizona
    • Yavapai Co.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 253, 370; Jahns, Richard H. (1952), Pegmatite Deposits of the White Picacho District, Maricopa and Yavapai Counties, Arizona, Arizona Bureau of Mines Bull. 162.
Am Min 67:97-113
  • California
San Diego Natural History Museum
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 673.
        • Pala
          • Chief Mountain
Mineralogical Record (2002): 33(5): 388.
          • Hiriart Mountain (Hariat Mtn; Harriot Mtn; Heriart Mtn; Heriot Mtn; Hiriat Hill)
Dana 6:A3:72.
          • Tourmaline Queen Mountain (Pala Mtn; Queen Mtn)
Journal of the Washington Academy of Science (1912): 2: 145.
  • Colorado
    • Larimer Co.
      • Crystal Mountain Pegmatite District (Storm Mountain District)
Minerals of Colorado (1997) E.B. Eckels
      • Purple Haze and Rainbows End claims
Mineralogical Record 22:382
  • Connecticut
    • Fairfield Co.
      • Redding (Reading)
        • Branchville
Januzzi, 1976. Mineral Localities of CT and Southeastern NY State; Januzzi (1994) Mineral Data Book
    • Middlesex Co.
      • Portland
        • Collins Hill
          • Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries)
Schooner, Richard. (circa 1985), Untitled manuscript on central Connecticut mineralogy.
  • New Hampshire
    • Cheshire Co.
      • Marlow
Fred E. Davis collection 2007
    • Grafton Co.
      • Alexandria
Rocks & Min.: 17:250. Morrill, P., 1960, New Hampshire Mines and Mineral Localities.; Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
    • Rockingham Co.
      • Raymond
Francis, C. A. (1985): Minerals of the Chandler Mine, A Zoned Lithium Rich Pegmatite (Rocks and Minerals, 60:263-264) ; Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
  • South Dakota
    • Custer Co.
      • Custer District
        • Berne
Rocks & Minerals: 75(3): 156-169.
        • Custer
Rocks & Minerals: 75(3): 156-169.
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Rocks & Minerals: 75(3): 156-169.
Rocks & Minerals: 75(3): 156-169.
Rocks & Minerals: 75(3): 156-169.
Rocks & Minerals: 75(3): 156-169.
Rocks & Minerals: 75(3): 156-169.
        • Fourmile
Rocks & Minerals: 75(3): 156-169.
Rocks & Minerals: 75(3): 156-169.
No reference listed
        • Pringle
          • Cicero Peak
Rocks & Minerals: 75(3): 156-169.
    • Pennington Co.
      • Hill City District
Rocks & Minerals: 75(3): 156-169.
      • Keystone District
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
        • Glendale
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
        • Keystone
Rocks & Minerals: 75(3): 156-169.
Rocks & Minerals: 75(3): 156-169.
Rocks & Minerals: 75(3): 156-169.
Rocks & Minerals: 75(3): 156-169.
Rocks & Minerals: 75(3): 156-169.
  • Utah
    • Juab Co.
      • East Tintic Mts
UGMS Bull 117 Minerals and Mineral Localities of Utah
  • Wisconsin
    • Florence Co.
      • Fern
        • Pine River pegmatites
Falster, A. , W.B. Simmons & P.B. Moore (1996) The mineralogy and geochemistry of the Animikie Red Ace pegmatite in Florence County, Wisconsin: Recent Research Developments in Mineralogy: 1: 7-67.
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