Heptasartorite
| Heptasartorite | |
|---|---|
| General | |
| Category | Sulfosalt |
| Formula (repeating unit) | Tl7Pb22As55S108 |
| Crystal system | Monoclinic |
| Crystal class | Prismatic (2/m) (same H-M symbol) |
| Space group | P21/c |
| Unit cell | a = 37.62, b = 7.88, c = 20.07 [Å], β = 101.93° (approximated) |
| Identification | |
| References | [1][2] |
Heptasartorite is a very rare mineral[2] with formula Tl7Pb22As55S108. It belongs to sartorite homologous series.[1] It is related to other recently approved minerals of the series: enneasartorite and hendekasartorite.[3][4] All three minerals come from a quarry in Lengenbach, Switzerland, which is famous of thallium minerals.[5] Chemically similar minerals include edenharterite and hutchinsonite.[6][7]
References
- ^ a b Topa, D., Stroeger, B., Makovicky, E., Berlepsch, P., and Stanley, C., 2015. Heptasartorite, IMA 2015-073. CNMNC Newsletter No. 28, December 2015, 1861; Mineralogical Magazine 79, 1859–1864
- ^ a b "Heptasartorite: Heptasartorite mineral information and data". Mindat.org. Retrieved 2016-03-04.
- ^ "Enneasartorite: Enneasartorite mineral information and data". Mindat.org. Retrieved 2016-03-10.
- ^ "Hendekasartorite: Hendekasartorite mineral information and data". Mindat.org. Retrieved 2016-03-10.
- ^ "Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland - Mindat.org". Mindat.org. Retrieved 2016-03-10.
- ^ "Edenharterite: Edenharterite mineral information and data". Mindat.org. Retrieved 2016-03-10.
- ^ "Hutchinsonite: Hutchinsonite mineral information and data". Mindat.org. Retrieved 2016-03-10.
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