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Vrbaite

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About VrbaiteHide

Karl B. Vrba
Formula:
Hg3Tl4As8Sb2S20
Colour:
Dark gray-black with bluish tint, dark red (thin fragment)
Lustre:
Metallic, Sub-Metallic
Hardness:
Specific Gravity:
5.27 - 5.33
Crystal System:
Orthorhombic
Name:
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.HF.20

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
3.7.15.1

3 : SULFOSALTS
7 : ø = 2
5.5.10

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
Transparency:
Opaque
Colour:
Dark gray-black with bluish tint, dark red (thin fragment)
Streak:
Pale yellow-red
Hardness:
3½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Distinct/Good
On {010}.
Fracture:
Irregular/Uneven, Conchoidal
Density:
5.27 - 5.33 g/cm3 (Measured)    5.29 g/cm3 (Calculated)

Chemical Properties of VrbaiteHide

Formula:
Hg3Tl4As8Sb2S20

Crystallography of VrbaiteHide

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

Type Occurrence of VrbaiteHide

Synonyms of VrbaiteHide

Other Language Names for VrbaiteHide

German:Vrbait
Russian:Врбаит
Simplified Chinese:硫砷锑汞铊矿
Spanish:Vrbaita

Common AssociatesHide

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

Related Minerals - Nickel-Strunz GroupingHide

2.HF.25aCylindritePb3Sn4FeSb2S14Tric. 1 : P1
2.HF.25bFranckeiteFe2+(Pb,Sn2+)6Sn4+2Sb2S14Tric. 1 : P1
2.HF.25bIncaite(Pb,Ag)4Sn4FeSb2S15Mon.
2.HF.25aLévyclauditePb8Sn7Cu3(Bi,Sb)3S28
2.HF.25bPotosíitePb6Sn3FeSb3S16Tric.
2.HF.25bCoiraite(Pb,Sn)12.5Sn5FeAs3S28Mon.
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
5.5.7HutchinsoniteTlPbAs5S9Orth.
5.5.8Wallisite(Cu,Ag)TlPbAs2S5Tric.
5.5.9BernarditeTlAs5S8Mon. 2/m : P21/b
5.5.11RebuliteTl5Sb5As8S22Mon. 2/m : P21/b
5.5.12GillulyiteTl2As7.5Sb0.3S13Mon.
5.5.13WeissbergiteTlSbS2Tric. 1 : P1
5.5.14Rohaite(Tl,Pb,K)2Cu8.7Sb2S4Orth.
5.5.15VaughaniteTlHgSb4S7Tric.
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
5.5.19CriddleiteTlAg2Au3Sb10S10Mon.
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.
China
 
  • 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.
Denmark
 
  • 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
Japan
 
  • 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.
Russia
 
  • Stavropol'skiy Kray
    • Pyatigorsk
      • Lermontovskoe U Deposit
        • Beshtau Mt.
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
USA
 
  • 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.
Mineral and/or Locality  
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