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Abernathyite

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Formula:
K(UO2)(AsO4) · 3H2O
Colour:
yellow
Lustre:
Sub-Vitreous, Resinous, Waxy, Greasy
Hardness:
2½ - 3
Specific Gravity:
3.32
Crystal System:
Tetragonal
Name:
Named by M. E. Thompson, B. Ingram, and E. B. Gross in 1956 after Jesse Evrett Abernathy (September 7, 1913 - November 5, 1963, Moab, UT, USA), amateur mineralogist and lapidarist and operator of the Fumarole mine.
Meta-autunite Group. Chemically the As analogue of meta-ankoleite (both crystallize in the same point group).

A rare secondary uranium mineral.


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Classification of AbernathyiteHide

Approved, 'Grandfathered' (first described prior to 1959)
First Published:
1956
7/E.02-150
8.EB.15

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
B : UO2:RO4 = 1:1
40.2a.9.1

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2a : AB2(XO4)2·xH2O, containing (UO2)2+
20.7.3

20 : Arsenates (also arsenates with phosphate, but without other anions)
7 : Arsenates of U

Physical Properties of AbernathyiteHide

Sub-Vitreous, Resinous, Waxy, Greasy
Transparency:
Transparent
Comment:
weakly vitreous, also less reflective
Colour:
yellow
Streak:
pale yellow
Hardness:
2½ - 3 on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
Perfect on {001}
Density:
3.32 g/cm3 (Measured)    3.572 g/cm3 (Calculated)

Optical Data of AbernathyiteHide

Type:
Uniaxial (-)
RI values:
nω = 1.597 - 1.608 nε = 1.570
2V:
Measured: 5°
Birefringence:
0.03
Max Birefringence:
δ = 0.027 - 0.038
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Optical Extinction:
Parallel
Pleochroism:
Weak
Comments:
O = yellow, E = pale yellow

Chemical Properties of AbernathyiteHide

Formula:
K(UO2)(AsO4) · 3H2O
IMA Formula:
K(UO2)AsO4 · 3H2O
Common Impurities:
P

Crystallography of AbernathyiteHide

Crystal System:
Tetragonal
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
P4/ncc
Setting:
P4/ncc
Cell Parameters:
a = 7.176(8) Å, c = 18.126(10) Å
Ratio:
a:c = 1 : 2.526
Unit Cell V:
933.40 ų (Calculated from Unit Cell)
Z:
4

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
9.14 (100 broad)
5.63 (70)
3.84 (80 broad)
3.59 (70)
3.34 (80)
2.79 (60 broad)
2.28 (60)

Type Occurrence of AbernathyiteHide

General Appearance of Type Material:
Fine-grained pale yellow flaky mineral
Place of Conservation of Type Material:
National Museum of Natural History, Washington, DC, USA
Chemical Analysis of Type Material:
K2O9.5 %
UO357.7 %
As2O521.6 %
P2O51.5 %
H2O+9.9 %
H2O-4.6 %
Total:104.8 %
Geological Setting of Type Material:
Colorado Plateau uranium-vanadium deposit
Reference:
Thompson M E, Ingram B, Gross E B (1956) Abernathyite, a new uranium mineral of the metatorbernite group. American Mineralogist 41, 82-90

Other Language Names for AbernathyiteHide

Relationship of Abernathyite to other SpeciesHide

Other Members of this group:
Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2OTet.
LehneriteMn2+(UO2)2(PO4)2 · 8H2OMon.
Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2OTet. 4/mmm (4/m 2/m 2/m)
MetaheinrichiteBa(UO2)2(AsO4)2 · 8H2OTet. 4mm
MetakahleriteFe2+(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
MetakirchheimeriteCo(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
MetalodèviteZn(UO2)2(AsO4)2 · 10H2OTet.
MetanováčekiteMg(UO2)2(AsO4)2 · 8H2OTet. 4/m : P4/n
MetatorberniteCu(UO2)2(PO4)2 · 8H2OTet. 4/m : P4/n
Metauranocircite-IBa(UO2)2(PO4)2 · 7H2OMon. 2 : P21
MetauranospiniteCa(UO2)2(AsO4)2 · 8H2OTet. 4/m : P42/n
MetazeuneriteCu(UO2)2(AsO4)2 · 8H2OTet. 4/m : P42/n
Natrouranospinite(Na2,Ca)(UO2)2(AsO4)2 · 5H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
Uramarsite(NH4,H3O)2(UO2)2(AsO4,PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
Uramphite(NH4)2(UO2)2(PO4)2 · 6H2OTet.

Common AssociatesHide

HeinrichiteBa(UO2)2(AsO4)2 · 10H2O
ScoroditeFe3+AsO4 · 2H2O
ZeuneriteCu(UO2)2(AsO4)2 · 12H2O
Associated Minerals Based on Photo Data:
Heinrichite9 photos of Abernathyite associated with Heinrichite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.EB.05AutuniteCa(UO2)2(PO4)2 · 11H2OOrth. mmm (2/m 2/m 2/m) : Pnma
8.EB.05HeinrichiteBa(UO2)2(AsO4)2 · 10H2OMon. 2/m
8.EB.05KahleriteFe(UO2)2(AsO4)2 · 12H2OTet. 4/m : P42/n
8.EB.05Nováčekite-IMg(UO2)2(AsO4)2 · 12H2OTric. 1 : P1
8.EB.05SaléeiteMg(UO2)2(PO4)2 · 10H2OMon. 2/m : P21/b
8.EB.05TorberniteCu(UO2)2(PO4)2 · 12H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
8.EB.05UranocirciteBa(UO2)2(PO4)2 · 10H2OTet.
8.EB.05UranospiniteCa(UO2)(AsO4)2 · 10H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.EB.05Xiangjiangite(Fe3+,Al)(UO2)4(PO4)2(SO4)2(OH) · 22H2OTet.
8.EB.05ZeuneriteCu(UO2)2(AsO4)2 · 12H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
8.EB.05MetarauchiteNi(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
8.EB.05RauchiteNi(UO2)2(AsO4)2 · 10H2OTric. 1 : P1
8.EB.10BassetiteFe2+(UO2)2(PO4)2 · 10H2OMon. 2/m
8.EB.10LehneriteMn2+(UO2)2(PO4)2 · 8H2OMon.
8.EB.10Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2OTet. 4/mmm (4/m 2/m 2/m)
8.EB.10MetasaléeiteMg(UO2)2(PO4)2 · 8H2O
8.EB.10Metauranocircite-IBa(UO2)2(PO4)2 · 7H2OMon. 2 : P21
8.EB.10MetauranospiniteCa(UO2)2(AsO4)2 · 8H2OTet. 4/m : P42/n
8.EB.10MetaheinrichiteBa(UO2)2(AsO4)2 · 8H2OTet. 4mm
8.EB.10MetakahleriteFe2+(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
8.EB.10MetakirchheimeriteCo(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
8.EB.10MetanováčekiteMg(UO2)2(AsO4)2 · 8H2OTet. 4/m : P4/n
8.EB.10MetatorberniteCu(UO2)2(PO4)2 · 8H2OTet. 4/m : P4/n
8.EB.10MetazeuneriteCu(UO2)2(AsO4)2 · 8H2OTet. 4/m : P42/n
8.EB.10PrzhevalskitePb2(UO2)3(PO4)2(OH)4 · 3H2OOrth.
8.EB.10Meta-lodèviteZn(UO2)2(AsO4)2 · 10H2O
8.EB.15Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2OTet.
8.EB.15Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.EB.15Natrouranospinite(Na2,Ca)(UO2)2(AsO4)2 · 5H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.EB.15Trögerite(H3O)(UO2)(AsO4) · 3H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.EB.15Uramphite(NH4)2(UO2)2(PO4)2 · 6H2OTet.
8.EB.15Uramarsite(NH4,H3O)2(UO2)2(AsO4,PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
8.EB.20ThreadgolditeAl(UO2)2(PO4)2(OH) · 8H2OMon.
8.EB.20ChistyakovaiteAl(UO2)2(AsO4)2(F,OH) · 6.5H2OMon.
8.EB.25ArsenuranospathiteAl[(UO2)(AsO4)]2F(H2O)20Orth. mm2 : Pnn2
8.EB.25Uranospathite(Al,☐)(UO2)2(PO4)2F · 20(H2O,F)Orth. mm2 : Pnn2
8.EB.30Vochtenite(Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2OMon.
8.EB.35CoconinoiteFe3+2Al2(UO2)2(PO4)4(SO4)(OH)2 · 20H2OMon.
8.EB.40RanunculiteHAl(UO2)(PO4)(OH)3 · 4H2OMon.
8.EB.45TrianguliteAl3(UO2)4(PO4)4(OH)5 · 5H2OTric.
8.EB.50FurongiteAl13(UO2)7(PO4)13(OH)14 · 58H2OTric. 1 : P1
8.EB.55SabugaliteHAl(UO2)4(PO4)4 · 16H2OMon. 2/m : B2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

20.7.1Trögerite(H3O)(UO2)(AsO4) · 3H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
20.7.2Natrouranospinite(Na2,Ca)(UO2)2(AsO4)2 · 5H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
20.7.4MetazeuneriteCu(UO2)2(AsO4)2 · 8H2OTet. 4/m : P42/n
20.7.5ZeuneriteCu(UO2)2(AsO4)2 · 12H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
20.7.6MetanováčekiteMg(UO2)2(AsO4)2 · 8H2OTet. 4/m : P4/n
20.7.7Nováčekite-IMg(UO2)2(AsO4)2 · 12H2OTric. 1 : P1
20.7.8ArsenuranyliteCa(UO2)4(AsO4)2(OH)4 · 6H2OOrth.
20.7.9MetauranospiniteCa(UO2)2(AsO4)2 · 8H2OTet. 4/m : P42/n
20.7.10UranospiniteCa(UO2)(AsO4)2 · 10H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
20.7.11MetaheinrichiteBa(UO2)2(AsO4)2 · 8H2OTet. 4mm
20.7.12HeinrichiteBa(UO2)2(AsO4)2 · 10H2OMon. 2/m
20.7.13MetalodèviteZn(UO2)2(AsO4)2 · 10H2OTet.
20.7.14ArsenuranospathiteAl[(UO2)(AsO4)]2F(H2O)20Orth. mm2 : Pnn2
20.7.15HallimonditePb2(UO2)(AsO4)2 · nH2O, 0 ≤ n ≤ 0.5Tric. 1 : P1
20.7.16HügelitePb2(UO2)3(AsO4)2O2 · 5H2OMon.
20.7.17AsselbornitePb(BiO)3(UO2)4(AsO4)2(OH)7·4H2OIso.
20.7.18MetakahleriteFe2+(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
20.7.19KahleriteFe(UO2)2(AsO4)2 · 12H2OTet. 4/m : P42/n
20.7.20MetakirchheimeriteCo(UO2)2(AsO4)2 · 8H2OTric. 1 : P1

Fluorescence of AbernathyiteHide

Yellow-green under LW and SW.

Other InformationHide

Notes:
radioactive
Health Risks:
Contains uranium - always wash hands after handling. Avoid inhaling dust when handling or breaking. Never lick or ingest. Avoid prolonged exposure in proximity of the body. Store away from inhabited areas.

References for AbernathyiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Thompson, M.E., Ingram, B., Gross, E.B. (1956): Abernathyite, a new uranium mineral of the metatorbernite group. American Mineralogist, 41, 82-90. http://rruff.info/rruff_1.0/uploads/AM41_82.pdf
Ross, M., Evans, H.T., Jr. (1964): Studies of the torbernite minerals. I. The crystal structure of abernathyite and the structurally related compounds NH4(UO2AsO4)·3H2O and K(H3O)(UO2AsO4)2·6H2O. American Mineralogist, 49, 1578-1602. http://rruff.info/rruff_1.0/uploads/AM49_1578.pdf
Burns, P.C. (2005) U 6+ minerals and inorganic compounds: insights into an expanded structural hierarchy of crystal structures. The Canadian Mineralogist: 43: 1839-1894.
Donnay G, Donnay J D H (1955) Contribution to the crystallography of uranium minerals. in Contribution to the Crystallography of Uranium Minerals, Geological Survey for the United States Atomic Energy Commission, Technical Information Service (Oak Ridge) 1-42 http://rruff.info/rruff_1.0/uploads/USGS1955_1.pdf
Frost R L, Carmody O, Erickson K L, Weier M L (2004) Near-infrared spectroscopy to uranyl arsenates of the autunite and metaautunite group. Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy 61, 1923-1927

Internet Links for AbernathyiteHide

Localities for AbernathyiteHide

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
    • Hérault
      • Lodève
Le Règne Minéral, Hors Série IV (1998)
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Schenkenzell
        • Wittichen
          • Böckelsbach valley
American Mineralogist, Volume 84, pages 1195–1198, 1999
      • Sulzburg
Lapis 21(12), 44 (1996)
  • Bavaria
    • Franconia
      • Spessart
        • Aschaffenburg
          • Dörrmorsbach
A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
        • Hösbach
          • Sailauf
            • Hartkoppe
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
  • Saxony
    • Erzgebirge
      • Marienberg District
        • Lauta
Hajek, W. (2010): Kristallwelten Marienberg. Weise Verlag, München.
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Izerskie Mts
      • Jelenia Góra District
Mochnacka K. 1975: Mineralizacja skał metamorficznych części Pogórza Izerskiego. Pr. Geol. kom. Nauk Geol. PAN Oddz. w Krakowie nr 89.
South Africa
 
  • Western Cape Province
    • Central Karoo District
Minerals of South Africa
USA
 
  • Arizona
    • Coconino Co.
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
  • Colorado
    • Saguache Co.
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
    • San Juan Co.
      • Elk Park
"Minerals of Colorado, updated & revised", p. 41, by Eckel, Edwin B., 1997
  • Idaho
    • Custer Co.
      • Stanley Basin District
USGS Scientific Investigations Report 2005-5264
  • Oregon
    • Lake Co.
      • Lakeview
Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell
  • South Dakota
    • Harding Co.
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
      • North Cave Hills
        • Flat Top Group
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
  • Utah
    • Emery Co.
      • San Rafael District (San Rafael Swell)
DANA R. KELLEY AND PAUL F. KERR (1958) URANO-ORGANIC ORE AT TEMPLE MOUNTAIN, UTAH. BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA VOL. 69. PP. 701-756.
M. E. Thompson, B. Ingram, & E. B. Gross (1956) Abernathyite, a new uranium mineral of the metatorbernite group. American Mineralogist, 41:82-90.
    • Grand Co.
      • Moab
Kim Gorall
Mineral and/or Locality  
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