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About VrbaiteHide

Karl B. Vrba
Dark gray-black with bluish tint, dark red (thin fragment)
Metallic, Sub-Metallic
Specific Gravity:
5.27 - 5.33
Crystal System:
Named after Karl B. Vrba (10 November 1845, Klatovy, Austrian Empire - 7 December 1922 Prague, Czechoslovakia), Professor of Mineralogy, Charles University, Prague (Czech Republic).
This page provides mineralogical data about Vrbaite.

Classification of VrbaiteHide

Approved, 'Grandfathered' (first described prior to 1959)

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
F : With SnS and PbS archetype structure units

7 : ø = 2

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
5 : Sulpharsenites etc. of Tl

Physical Properties of VrbaiteHide

Metallic, Sub-Metallic
Dark gray-black with bluish tint, dark red (thin fragment)
Pale yellow-red
3½ on Mohs scale
On {010}.
Irregular/Uneven, Conchoidal
5.27 - 5.33 g/cm3 (Measured)    5.29 g/cm3 (Calculated)

Chemical Properties of VrbaiteHide


Crystallography of VrbaiteHide

Crystal System:
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Cell Parameters:
a = 13.18 Å, b = 23.23 Å, c = 11.22 Å
a:b:c = 0.567 : 1 : 0.483
Unit Cell V:
3,435.24 ų (Calculated from Unit Cell)
Small crystals, tabular {010} or pyramidal {111}. Occur in groups.

Type Occurrence of VrbaiteHide

Synonyms of VrbaiteHide

Other Language Names for VrbaiteHide

Simplified Chinese:硫砷锑汞铊矿

Common AssociatesHide

Associated Minerals Based on Photo Data:
Metacinnabar3 photos of Vrbaite associated with Metacinnabar on
Avicennite1 photo of Vrbaite associated with Avicennite on
Parapierrotite1 photo of Vrbaite associated with Parapierrotite on

Related Minerals - Nickel-Strunz GroupingHide

2.HF.25aCylindritePb3Sn4FeSb2S14Tric. 1 : P1
2.HF.25bFranckeiteFe2+(Pb,Sn2+)6Sn4+2Sb2S14Tric. 1 : P1
2.HF.25aAbramovitePb2SnInBiS7Tric. 1 : P1
2.HF.30Lengenbachite Ag4Cu2Pb18As12S39Tric.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

5.5.1LoránditeTlAsS2Mon. 2/m : P21/b
5.5.2EllisiteTl3AsS3Trig. 3m : R3m
5.5.3ImhofiteTl5.8As15.4S26Mon. 2/m
5.5.4SimoniteTlHgAs3S6Mon. 2/m
5.5.6ChristiteTlHgAsS3Mon. 2/m
5.5.6RouthieriteTl(Cu,Ag)(Hg,Zn)2(As,Sb)2S6Tet. 4 2m : I4 2m
5.5.9BernarditeTlAs5S8Mon. 2/m : P21/b
5.5.11RebuliteTl5Sb5As8S22Mon. 2/m : P21/b
5.5.13WeissbergiteTlSbS2Tric. 1 : P1
5.5.16ChalcothalliteTl2(Cu,Fe)6SbS4Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
5.5.17PierrotiteTl2(Sb,As)10S16Orth. mm2 : Pna21
5.5.18ParapierrotiteTlSb5S8Mon. m
5.5.20ChabournéiteTl4Pb2(Sb,As)20S34Tric. 1 : P1

Other InformationHide

Health Risks:
Contains thallium, mercury and arsenic - always wash hands after handling. Avoid inhaling dust when handling or breaking. Never lick or ingest.

References for VrbaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Jezek (1912), Ak. Böhmen, Roz.: 21.
Ježek, B. (1912) Vrbait, ein neues Thalliummineral von Allchar in Macedonien. Zeitschrift für Krystallographie und Mineralogie: 51: 365-378.
Křehlik (1912), Zs. Kr.: 51: 379.
Spencer, L.J. (1913) A (sixth) list of new mineral names. Mineralogical Magazine: 16: 352-378.
Frondel, Clifford (1941) Unit cell and space group of vrbaite (Tl(As,Sb)3S5), seligmannite (CuPbAsS3) and samsonite (Ag4MnSb2S6). American Mineralogist: 26: 25-28.
Palache, Charles, Harry Berman & Clifford Frondel (1944) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 484-485.
Caye, R., Picot, P., Pierrot, R., Permingeat, F. (1967) Nouvelles données sur la vrbaïte, sa teneur en mercure. Bulletin de la Société Française de Minéralogie et de Cristallographie: 90: 185-191.
Fleischer, M. (1968) New mineral names. American Mineralogist: 53: 348-351.
Ohmasa, M., Nowacki, W. (1971) The crystal structure of vrbaite, Hg3Tl4As8Sb2S20. Zeitschrift für Kristallographie: 134: 360-380.

Internet Links for VrbaiteHide

Localities for VrbaiteHide

ⓘ - 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.
  • Hunan Province
    • Changde Prefecture
      • Shimen Co.
        • Shimen deposit (Huangchang deposit)
Roth, P., Raber, T., Favreau, G. and Meisser, N. (2017): Thallium Sulfosalts from the Shimen As-Deposit, Hunan, China. Mineral Up 4(6): 8-22.
  • Greenland
    • Kujalleq
      • Narsaq
Soerensen, H. (2001): The Ilimaussaq alkaline complex, South Greenland: status of mineralogical research with new results, Geology of Greenland Survey Bulletin 190, GEUS; Petersen, O.V. (2001): List of all minerals identified in the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin. 190, 25-33
  • Honshu Island
    • Tohoku Region
      • Aomori Prefecture
        • Minami-Tsugaru-gun
          • Ikarigaseki
Kagaya, B. (1962) Journal of the Mining College, Akita University, Series A, 2, #2, 60-88.
Republic of Macedonia (TL)
  • Kavadarci
    • Rožden (Rozhden; Roszdan)
Zeitschr. Kryst. Min. (1912) 51, 365-378; Rieck, B. (1993): Famous mineral localities: Allchar, Macedonia, Mineralogical Record, 24 (6), 437-449; Boevl, B., Bermanec, V., Serafimovski, T., Lepitkoval, S., & Mikulcic, S. (2001). Allchar Mineral Assemblage. Geologica Macedonica, Vol. 15-16, p. 1-23 (2001-2002) Suppl; Boev, I., Šorša, A., Tasev, G., Serafimovski, D., & Boev, B. (2017). Mineralogy and geochemistry of trace elements from Crven Dol–Alšar deposit (Republic of Macedonia). Geologica Macedonica, 31(1), 5-20.
Christian Reweitzer; Pavićević, M. K. (1988). Lorandite from Allchar—A low energy solar neutrino dosimeter. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 271(2), 287-296.
  • Stavropol Krai
    • Pyatigorsk
      • Lermontovskoe U Deposit
        • Beshtau Mt.
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
  • Utah
    • Tooele Co.
      • Sheeprock Mts
        • Little Valley
King, N. R. (2014, October). THE MINERAL ASSEMBLAGE FROM LOOKOUT PASS AREA, SHEEPROCK MOUNTAINS, TOOELE CO., UTAH. In 2014 GSA Annual Meeting in Vancouver, British Columbia.
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