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Trolleite

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Formula:
Al4(PO4)3(OH)3
System:
Monoclinic
Colour:
Light green, colorless, ...
Hardness:
5½ - 6
Name:
Named after Hans Gabriel Trolle-Wachmeister (1782-1871), Swedish chemist.
Usually massive translucent light green to bluish green masses with a greasy luster. May be very blue because of mixtures with scorzalite.

Classification of Trolleite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
8.BB.45

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
B : With only medium-sized cations, (OH, etc.):RO4 about 1:1
41.11.1.1

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
11 : Miscellaneous
19.7.3

19 : Phosphates
7 : Phosphates of Al alone
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First Recorded Occurrence of Trolleite

Year of Discovery:
1868
Geological Setting of First Recorded Material:
Peraluminous high pressure rocks.
Associated Minerals at First Recorded Locality:

Physical Properties of Trolleite

Vitreous
Diaphaneity (Transparency):
Transparent, Translucent
Colour:
Light green, colorless, bluish green, (dark blue when included)
Comment:
Scorzalite-lazulite may be admixed.
Streak:
White
Hardness (Mohs):
5½ - 6
Tenacity:
Brittle
Cleavage:
Poor/Indistinct
Two directions at an angle of 110°52'.
Fracture:
Irregular/Uneven, Sub-Conchoidal
Density:
3.10 g/cm3 (Measured)    3.08 g/cm3 (Calculated)

Crystallography of Trolleite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Cell Parameters:
a = 18.894Å, b = 7.161Å, c = 7.162Å
β = 99.99°
Ratio:
a:b:c = 2.638 : 1 : 1
Unit Cell Volume:
V 954.33 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Massive, lamellar.
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
X-Ray Powder Diffraction Data:
d-spacingIntensity
6.67 (40)
3.34 (40)
3.21 (100)
3.10 (90)
3.08 (50)
2.52 (50)
1.983 (40)
1.547 (30)
Comments:
26-1009

Optical Data of Trolleite

Type:
Biaxial (-)
RI values:
nα = 1.619 nβ = 1.639 nγ = 1.643
2V:
Measured: 49° , Calculated: 46°
Birefringence:
0.024
Max Birefringence:
δ = 0.024
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v strong

Chemical Properties of Trolleite

Formula:
Al4(PO4)3(OH)3
Essential elements:
All elements listed in formula:

Relationship of Trolleite to other Species

8.BB.05AmblygoniteLiAl(PO4)F
8.BB.05MontebrasiteLiAl(PO4)(OH)
8.BB.05TavoriteLiFe3+(PO4)(OH)
8.BB.10Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
8.BB.10Zwieselite(Fe2+,Mn2+)2(PO4)F
8.BB.15SarkiniteMn22+(AsO4)(OH)
8.BB.15Triploidite(Mn2+,Fe2+)2(PO4)(OH)
8.BB.15Wagnerite(Mg,Fe2+)2(PO4)F
8.BB.15Wolfeite(Fe2+,Mn2+)2(PO4)(OH)
8.BB.15Stanĕkite(Mn2+,Fe2+,Mg)Fe3+(PO4)O
8.BB.15JoosteiteMn2+(Mn3+,Fe3+)(PO4)O
8.BB.15HydroxylwagneriteMg2(PO4)(OH)
8.BB.20HoltedahliteMg2(PO4)(OH)
8.BB.20Satterlyite(Fe2+,Mg,Fe3+)2(PO4)(OH,O)
8.BB.25AlthausiteMg4(PO4)2(OH,O)(F,☐)
8.BB.30AdamiteZn2(AsO4)(OH)
8.BB.30EveiteMn22+(AsO4)(OH)
8.BB.30LibetheniteCu2(PO4)(OH)
8.BB.30OliveniteCu2(AsO4)(OH)
8.BB.30ZincolibetheniteCuZn(PO4)(OH)
8.BB.30ZincoliveniteCuZn(AsO4)(OH)
8.BB.30AuriacusiteFe3+Cu2+(AsO4)O
8.BB.35ParadamiteZn2(AsO4)(OH)
8.BB.35TarbuttiteZn2(PO4)(OH)
8.BB.40BarbosaliteFe2+Fe23+(PO4)2(OH)2
8.BB.40HentscheliteCuFe23+(PO4)2(OH)2
8.BB.40Lazulite(Mg,Fe2+)Al2(PO4)2(OH)2
8.BB.40ScorzaliteFe2+Al2(PO4)2(OH)2
8.BB.40WilhelmkleiniteZnFe23+(AsO4)2(OH)2
8.BB.50NamibiteCu(BiO)2(VO4)(OH)
8.BB.55PhosphoellenbergeriteMg14(PO4)6(HPO4,CO3)2(OH)6
8.BB.60UrusoviteCuAl(AsO4)O
8.BB.65TheoparacelsiteCu3(As2O7)(OH)2
8.BB.70TuraniteCu5(VO4)2(OH)4
8.BB.75StoiberiteCu5(VO4)2O2
8.BB.80FingeriteCu11(VO4)6O2
8.BB.85AverieviteCu6(VO4)2O2Cl2
8.BB.90LipscombiteFe2+Fe23+(PO4)2(OH)2
8.BB.90RichelliteCaFe23+(PO4)2(OH,F)2
8.BB.90ZinclipscombiteZnFe23+(PO4)2(OH)2
19.7.1BerliniteAlPO4
19.7.2AugeliteAl2(PO4)(OH)3
19.7.4SenegaliteAl2(PO4)(OH)(OH)2 · H2O
19.7.5VarisciteAlPO4 · 2H2O
19.7.6MetavarisciteAlPO4 · 2H2O
19.7.7BolivariteAl2(PO4)(OH)3 · 4-5H2O
19.7.8WavelliteAl3(PO4)2(OH,F)3 · 5H2O
19.7.9EvansiteAl3(PO4)(OH)6 · 6H2O
19.7.10VantasseliteAl4(PO4)3(OH)3 · 9H2O
19.7.11KingiteAl3(PO4)2F2(OH) · 7H2O
19.7.12VashegyiteAl11(PO4)9(OH)6 · 38H2O

Other Names for Trolleite

Name in Other Languages:
German:Trolleit
Simplified Chinese:羟磷铝石
Spanish:Trolleita
Traditional Chinese:羥磷鋁石

Other Information

Other Information:
Virtually untouched by acids.
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 Trolleite

Reference List:
Blomstrand, C. W. (1868): Om Vestanå Mineralier. Öfversigt af Kongliga Vetenskaps-Akademiens Förhandlingar 25 (3), 197-212

Des Cloizeaux, A. (1893) Manuel de minéralogie. 2 volumes and Atlas, Paris. volume 2, 2 Fasc., pp 209-544: 453.

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.: 911.

American Mineralogist (1965): 50: 267.

Moore, Paulus B. & T. Araki (1974), Trolleite, Al4(OH)3[PO4]3: a very dense structure with octahedral face-sharing dimmers: American Mineralogist: 59: 974-984.

American Mineralogist (1979): 64: 1175.

Internet Links for Trolleite

Localities for Trolleite

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.
Australia
 
  • Queensland
    • North Burnett Region
Duggan, et al., Can. Min. 28,125-131(1990)
Japan
 
  • Honshu Island
    • Chugoku Region
      • Yamaguchi Prefecture
        • Abu town
Matsubara, S. and Kato, A. (1998) Memoirs of the National Science Museum (Tokyo), 30, 167-183.; Mineralogical Journal Vol. 21 (1999) , No. 4 pp 145-150
Madagascar
 
  • Fianarantsoa Province
    • Amoron'i Mania Region
      • Ambatofinandrahana District
        • Itremo Commune
          • Itremo massif
Ackermand et al. (2006): Lazulite-bearing metaquartzite of the Itremo Group (Central Madagascar); Scientific significance and economic importance. in Proceedings of the Malagasy-German Research Cooperation in Life and Earth sciences, 5-18
Ackermand et al.(2006): "Lazulite-bearing metaquartzite of the Itremo Group (Central Madagascar); Scientific significance and economic importance" in Proceedings of the Malagasy-German Research Cooperation in Life and Earth sciences, 5-18
Russia
 
  • Eastern-Siberian Region
    • Transbaikalia (Zabaykalye)
      • Buriatia Republic (Buryatia)
        • Dzhida Basin
[AmMin 86:200]; Izbrodin, I.A., Ripp, G.S., and Doroshkevich, A.G. (2010): Mineralogy and Petrology (in print).
Rwanda
 
  • Western Province
    • Gatumba District
Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV; 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
F. Hatert, P. Lefèvre, A.M. Fransolet, M.R. Spirlet, F. Fontan, P. Keller : "Ferrorosemaryite, []NaFe2+Fe3+Al(PO4)3, a new phosphate mineral from the Rubindi pegmatite, Rwanda", Bull. Liaison S.F.M.C., Vol. 16, 2004, pp 44-45.
Sweden
 
  • Skåne
    • Bromölla
      • Näsum
Blomstrand, C. W. (1868): Om Vestanå Mineralier. Öfversigt af Kongliga Vetenskaps-Akademiens Förhandlingar 25 (3), 197-212; 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: 911.
  • Värmland
    • Torsby
Grensman, F. (1989): Hålsjøberg- En fyndortsbeskrivning. NAGS-nytt 16(3), 24-27
  • Västergötland
    • Tidaholm
USA
 
  • California
    • Mono Co.
      • White Mts
        • White Mountain Peak
Lemmon, Dwight Moulton (1935), Augelite from Mono County California American Mineralogist: 20: 664-668; Wise, W. S. (1977): Mineralogy of the Champion mine White Mountains, California. Mineralogical Record: 8: 478-486; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 304.
  • Colorado
    • Larimer Co.
      • Glendevey
Minerals of Colorado (1997) Eckel, E. B.
  • North Carolina
Milton,Daniel J.,(1986) Chloritoid -Sillimanite Assemblage from North Carolina : American Mineralogist,Vol.71,pg.891-894,1986
  • Virginia
    • Buckingham Co.
      • Farmville District
        • Sprouses Corner
Giannini, W.F., Penick, D.A., Jr. & Fordham, O.M., Jr., Virginia Minerals, 32(1),11(1986)
Mineral and/or Locality  
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