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Sicherite

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Formula:
TlAg2(As,Sb)3S6
Colour:
Dark gray, black
Lustre:
Metallic
Hardness:
3
Crystal System:
Orthorhombic
Name:
After Valentin Sicher, an active member in the syndicate that operates the Lengenbach quarry for scientific studies and specimen production.
This page provides mineralogical data about Sicherite.


Hide all sections | Show all sections

Classification of SicheriteHide

IMA status:
Approved
Approval Year:
1997
Nickel-Strunz 10th (pending) ed.:
2.HD.55

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

Physical Properties of SicheriteHide

Lustre:
Metallic
Transparency:
Opaque
Colour:
Dark gray, black
Streak:
Dark brown-red
Hardness:
3 on Mohs scale

Chemical Properties of SicheriteHide

Formula:
TlAg2(As,Sb)3S6
Elements listed:
Ag, As, S, Sb, Tl - search for minerals with similar chemistry

Crystallography of SicheriteHide

Crystal System:
Orthorhombic

Type Occurrence of SicheriteHide

Synonyms of SicheriteHide

Other Language Names for SicheriteHide

German:Sicherit
Simplified Chinese:斜硫锑砷银铊矿
Spanish:Sicherita

Related Minerals - Nickel-Strunz GroupingHide

2.HD.05LoránditeTlAsS2Mon. 2/m : P21/b
2.HD.05WeissbergiteTlSbS2Tric. 1 : P1
2.HD.15ChristiteTlHgAsS3Mon. 2/m
2.HD.20JankovićiteTl5Sb9(As,Sb)4S22Tric. 1 : P1
2.HD.25RebuliteTl5Sb5As8S22Mon. 2/m : P21/b
2.HD.30ImhofiteTl5.8As15.4S26Mon. 2/m
2.HD.35EdenharteritePbTlAs3S6Orth.
2.HD.40JentschiteTlPbAs2SbS6Mon.
2.HD.45HutchinsoniteTlPbAs5S9Orth.
2.HD.50BernarditeTlAs5S8Mon. 2/m : P21/b
2.HD.60GabrieliteTl6Ag3Cu6(As,Sb)9S21Tric. 1 : P1

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.

References for SicheriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (2001): 86: 1087-1093.

Internet Links for SicheriteHide

Localities for SicheriteHide

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.
Switzerland (TL)
 
  • Wallis (Valais)
    • Binn Valley
      • Fäld (Imfeld; Im Feld; Feld)
Am. Mineral. 86 (2001) 1087-1093; Guastoni, A., Roth, P. and Nestola, F. (2014): Sicherite, eccezionale ritrovamento a Lengenbach, valle di Binn, Svizzera. Rivista Mineralogica Italiana, 38(1), 32-34.
Mineral and/or Locality  
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