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Simonite

A valid IMA mineral species
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Formula:
TlHgAs3S6
Colour:
Red
Crystal System:
Monoclinic
Name:
Apparently named after Simon Engel, the son of the principal describer.
Occurs as inclusions in rebulite.


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Unique IdentifiersHide

Mindat ID:
3667
Long-form identifier:
mindat:1:1:3667:8

Similar NamesHide

CiminiteA synonym of 'Arsoite'
LimoniteA mixture of two or more distinct mineral species
SamaniiteA valid IMA mineral speciesCu2Fe5Ni2S8
SeamaniteA valid IMA mineral species - grandfatheredMn32+[B(OH)4](PO4)(OH)2
simonyiteA synonym of Blödite
ZiminaiteA valid IMA mineral speciesFe3+ 6 (VO4)6

IMA Classification of SimoniteHide

IMA status:
Approved
IMA Formula:
Tl1+Hg2+As3+3S2-6
Approval year:
1982

Classification of SimoniteHide

Strunz-mindat (2026):
2.GC.20

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
C : Poly-sulfarsenites
Dana 8th ed.:
3.7.10.1

3 : SULFOSALTS
7 : ø = 2
Hey's CIM Ref.:
5.5.4

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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
SmoIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of SimoniteHide

Colour:
Red

Chemistry of SimoniteHide

Mindat Formula:
TlHgAs3S6
Element Weights:
Element% weight
As27.339 %
Tl24.860 %
Hg24.399 %
S23.402 %

Calculated from ideal end-member formula.
Elements listed:
As, Hg, S, Tl - search for minerals with similar chemistry
Common Impurities:
Sb

Crystallography of SimoniteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 5.948(2) Å, b = 11.404(6) Å, c = 15.979(5) Å
β = 90.15(1)°
Ratio:
a:b:c = 0.522 : 1 : 1.401
Unit Cell V:
1,083.87 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Occurs as inclusions in rebulite.
Comment:
Space group P21/n.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0010851SimoniteEngel P, Nowacki W, Balic-Zunic T, Scavnicar S (1982) The crystal structure of simonite, TlHgAs3S6 Zeitschrift fur Kristallographie 161 159-16619820293
CIF Raw Data - click here to close

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of SimoniteHide

Synonyms of SimoniteHide

Other Language Names for SimoniteHide

Dutch:Simoniet
German:Simonit
Simplified Chinese:斜硫砷铊汞矿
Spanish:Simonita

Related Minerals - Strunz-mindat GroupingHide

2.GC.05HatchiteAgTlPbAs2S5Tric. 1 : P1
2.GC.05Wallisite(Cu,Ag)TlPbAs2S5Tric. 1 : P1
2.GC.10SinneriteCu6As4S9Tric. 1 : P1
2.GC.15WatanabeiteCu4(As,Sb)2S5Orth.
2.GC.25QuadratiteAg(Cd,Pb)AsS3Tet. 422 : P4322
2.GC.25ManganoquadratiteAgMnAsS3Tet. 422 : P4322
2.GC.30SmithiteAgAsS2Mon. 2/m
2.GC.35TrechmanniteAgAsS2Trig. 3 : R3
2.GC.35DebattistiiteAg9Hg0.5As6S12Te2 Tric. 1 : P1
2.GC.40aAleksitePbBi2Te2S2Trig. 3m(32/m) : P31m
2.GC.40dSaddlebackitePb2Bi2Te2S3Hex.
2.GC.40cRucklidgeitePbBi2Te4Trig. 3m(32/m) : R3m
2.GC.40ClogauitePbBi4Te4S3Trig. 3m(32/m) : P3m1
2.GC.40eBabkinitePb2Bi2(S,Se)3Trig.
2.GC.40bKochkaritePbBi4Te7Trig.
2.GC.40cPoubaitePbBi2(Se,Te,S)4Trig. 3m(32/m) : R3m
2.GC.45TvalchrelidzeiteHg3SbAsS3Mon. 2/m
2.GC.50MutnovskitePb4As2S6IClOrth. mmm(2/m2/m2/m) : Pnma

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for SimoniteHide

References for SimoniteHide

Localities for SimoniteHide

Showing 3 localities.

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.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Iran
 
  • West Azerbaijan Province
    • Takab County
Mehrabi et al. (1999) +3 other references
North Macedonia (TL)
 
  • Kavadarci Municipality
    • Ržanovo
Engel et al. (1982) +2 other references
        • Crven Dol
Ðorđević et al. (2020)
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