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Avicennite

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Abū ‘Alī al-Ḥusayn ibn ‘Abd Allāh ibn Sīnā'
Formula:
Tl2O3
System:
Isometric
Colour:
Greyish black with ...
Lustre:
Metallic
Hardness:
1½ - 2½
Name:
For the medieval Uzbek (Persian) scholar and physician, Abu 'Ali al-Husayn ibn 'Abd Allah ibn Sina (Avicenna) (980-1037), who lived in Bukhara, Tadzhikistan.
This page provides mineralogical data about Avicennite.

Classification of Avicennite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
4.CB.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
B : With medium-sized cations
4.3.8.1

4 : SIMPLE OXIDES
3 : A2X3
7.7.3

7 : Oxides and Hydroxides
7 : Oxides of Group III metals other than Al
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First Recorded Occurrence of Avicennite

Year of Discovery:
1958
Geological Setting of First Recorded Material:
Weathered zone of a hematite-calcite vein cutting banded marmorized and silicified limestones near a granite-gneiss contact
Associated Minerals at First Recorded Locality:

Occurrences of Avicennite

Geological Setting:
Oxidation product of carlinite in carbonaceous gold ores in silicified limestones and quartz (Carlin, Nevada, USA).

Physical Properties of Avicennite

Metallic
Diaphaneity (Transparency):
Opaque
Colour:
Greyish black with brownish black tint
Streak:
Greyish black, black with a brownish tint
Hardness (Mohs):
1½ - 2½
Hardness (Vickers):
VHN25=46 - 80 kg/mm2
Tenacity:
Very brittle
Fracture:
Irregular/Uneven, Hackly, Conchoidal
Density:
8.9 g/cm3 (Measured)    10.34 g/cm3 (Calculated)

Crystallography of Avicennite

Crystal System:
Isometric
Class (H-M):
m3 (2/m 3) - Diploidal
Space Group:
Ia3
Cell Parameters:
a = 10.5468Å
Unit Cell Volume:
V 1,173.17 ų (Calculated from Unit Cell)
Z:
16
Morphology:
Crystals, less than 1 mm, some showing subhedral octahedral faces; porous grains; coatings on carlinite
X-Ray Powder Diffraction Data:
d-spacingIntensity
3.044 (100)
1.864 (38)
2.637 (37)
1.590 (30)
4.307 (17)
2.068 (7)
2.486 (6)
Comments:
Recorded on material from Carlin, Nevada, USA.

Optical Data of Avicennite

Type:
Isotropic
Reflectivity:
400 nmR=11.5%
470 nmR=12.5%
500 nmR=13.0%
546 nmR=12.7%
589 nmR=12.3%
650 nmR=10.6%
700 nmR=11.5%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 13.0%.
Colour in reflected light:
Pale grey to medium grey

Chemical Properties of Avicennite

Formula:
Tl2O3
Essential elements:
All elements listed in formula:
Analytical Data:
Average of three electron microprobe analyses of material from Carlin, Nevada, USA.
Tl (89.6)

corresponding to 100.1 wt.-% of Tl2O3
Common Impurities:
Fe

Relationship of Avicennite to other Species

4.CB.05BrizziiteNaSb5+O3
4.CB.05CorundumAl2O3
4.CB.05Ecandrewsite(Zn,Fe2+,Mn2+)TiO3
4.CB.05EskolaiteCr2O3
4.CB.05GeikieliteMgTiO3
4.CB.05HematiteFe2O3
4.CB.05IlmeniteFe2+TiO3
4.CB.05KarelianiteV23+O3
4.CB.05MelanostibiteMn2+(Sb5+,Fe3+)O3
4.CB.05PyrophaniteMn2+TiO3
4.CB.05Akimotoite(Mg,Fe2+)SiO3
4.CB.05AuroantimonateAuSbO3
4.CB.05Romanite(◻,Pb,Ca)UFe22+(Ti,Fe3+)6Ti12O38
4.CB.05UM1998-11-O-AuHSbAu2+Sb3+O2(OH)
4.CB.05TistariteTi23+O3
4.CB.10BixbyiteMn23+O3
4.CB.15Armalcolite(Mg,Fe2+)Ti2O5
4.CB.15PseudobrookiteFe2TiO5
4.CB.20Zincohögbomite-2N2S[(Zn,Al,Fe2+)3(Al,Fe3+,Ti)8O15(OH)]2
4.CB.20Zincohögbomite-2N6S[(Zn,Mg)7(Al,Fe3+,Ti)16O31(OH)]2
4.CB.20Magnesiohögbomite-6N6S[(Mg,Fe2+)3(Al,Ti,Fe3+)8O15(OH)]6
4.CB.20Magnesiohögbomite-2N3S[(Mg,Fe2+,Zn)4(Al,Ti,Fe3+)10O19(OH)]2
4.CB.20Magnesiohögbomite-2N2S[(Mg,Fe2+)3[Al7(Ti,Fe3+)]O15(OH)]2
4.CB.20Ferrohögbomite-6N12S[(Fe2+,Mg,Zn)5(Al,Ti,Fe3+)12O23(OH)]6
4.CB.25PseudorutileFe2Ti3O9
4.CB.25KleberiteFeTi6O11(OH)5
4.CB.30BerdesinskiiteV23+TiO5
4.CB.30OxyvaniteV23+V4+O5
4.CB.35Olkhonskite(Cr,V)2Ti3O9
4.CB.35SchreyeriteV23+Ti3O9
4.CB.40KamiokiteFe2Mo3O8
4.CB.40Nolanite(V3+,Fe3+,Fe2+,Ti)10O14(OH)2
4.CB.40RinmaniteZn2Sb2Mg2Fe4O14(OH)2
4.CB.40IseiteMn2Mo3O8
4.CB.40MajindeiteMg2Mo3O8
4.CB.45ClaudetiteAs2O3
4.CB.45StibioclaudetiteAsSbO3
4.CB.50ArsenoliteAs2O3
4.CB.50SénarmontiteSb2O3
4.CB.55ValentiniteSb2O3
4.CB.60BismiteBi2O3
4.CB.65SphaerobismoiteBi2O3
4.CB.70SilléniteBi12SiO20
4.CB.75KyzylkumiteTi2V3+O5(OH)
4.CB.80TietaiyangiteFe43+Fe2+TiO9

Other Names for Avicennite

Name in Other Languages:
German:Avicennit
Simplified Chinese:褐铊矿
Spanish:Avicennita

Other Information

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 Avicennite

Reference List:
Karpova, K. N., Kon'kova, E. A., Larkin, E. D. and Savel'ev, V. F. (1958): Avicennite, a new mineral. Dokl. Akad. Nauk. Uzbekistan SSR 2, 23-26 (in Russian). - American Mineralogist (1959) 44, 1324-1325 (abstract).

Kon'kova, E. A. and Savel'ev, V. F. (1960): A new thallium mineral - avicennite. Zap. Vses. Mineral. Obshch. 89, 316-320 (in Russian).

Vlasov, K. A., Ed. (1966): Mineralogy of rare elements, Vol. 2, 604-605.

Radtke, A. S., Dickson, F. W. and Slack, J. F. (1978): Occurrence and formation of avicennite, Tl2O3, as a secondary mineral at the Carlin gold deposit, Nevada. J. Res. U.S. Geol. Surv. 6, 241-246.

Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 31.

Internet Links for Avicennite

Localities for Avicennite

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.
China
 
  • Anhui Province
    • Ma'anshan Prefecture
      • He Co.
Fan, Y., Zhou, T.F., Yuan, F., Wu, M.A., Hou, M.J., Voicu, G., Hu, Q.H., and Zhang, Q.M. (2005), In: Jingwen Mao and Bierlein, F.P. (eds.): Mineral Deposit Research: Meeting the Global Challenge. Springer (Berlin, Heidelberg), 381-383.
  • Tibet Autonomous Region
    • Qamdo Prefecture (Changdu Prefecture)
      • Lhorong Co. (Luolong Co.)
Shuihe Mao, Wenquan Lu, Youfu Yang, and Yongming Wu (1989): Acta Mineralogica Sinica 9(3), 253-256
Greenland
 
  • Kujalleq
    • Narsaq
Petersen, O.V. (2001): List of all minerals identified in the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin. 190, 25-33
        • Taseq area
Pavel M. Kartashov analytical data (1999)
USA
 
  • Nevada
    • Eureka Co.
      • Lynn District
        • Elko
NBMG Spec. Pub. 31 Minerals of Nevada
  • Utah
    • Tooele Co.
      • Sheeprock Mts
        • Little Valley
Handbook of Mineralogy
Uzbekistan
 
  • Samarkand Viloyati (Samarqand)
    • Zirabulak Mountain (Zirabulakskie Mountain)
      • Zirabulak railway station
Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 30; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mineral and/or Locality  
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