Enneasartorite Explained

Enneasartorite
Category:	Sulfosalt
Formula:	Tl6Pb32As70S140
Imasymbol:	Esat^[1]
System:	Monoclinic
Class:	Prismatic (2/m) (same H-M symbol)
Symmetry:	P21/c
Unit Cell:	a = 37.62, b = 7.88 c = 20.07 [Å]; β = 101.93° (approximated)

Enneasartorite is a very rare mineral^[2] with formula Tl₆Pb₃₂As₇₀S₁₄₀. It belongs to sartorite homologous series.^[3] It is related to other recently approved minerals of the sartorite series: hendekasartorite and heptasartorite.^{[4] [5]} All come from Lengenbach quarry in Switzerland, which is famous for thallium sulfosalts.^[6] Enneasartorite is chemically similar to edenharterite and hutchinsonite.^{[7] [8]}

Notes and References

1. Warr. L.N.. 2021. IMA–CNMNC approved mineral symbols. Mineralogical Magazine. 85. 3. 291–320. 10.1180/mgm.2021.43. 2021MinM...85..291W. 235729616. free.
2. Web site: Enneasartorite: Enneasartorite mineral information and data . Mindat.org . 2016-03-04.
3. Topa, D., Berlepsch, P., Makovicky, E., Stroeger, B., and Stanley, C., 2015. Enneasartorite, IMA 2015-074. CNMNC Newsletter No. 28, December 2015, 1861; Mineralogical Magazine 79, 1859–1864
4. Web site: Hendekasartorite: Hendekasartorite mineral information and data . Mindat.org . 2016-03-10.
5. Web site: Heptasartorite: Heptasartorite mineral information and data . Mindat.org . 2016-03-10.
6. Web site: Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland - Mindat.org . Mindat.org . 2016-03-10.
7. Web site: Edenharterite: Edenharterite mineral information and data . Mindat.org . 2016-03-10.
8. Web site: Hutchinsonite: Hutchinsonite mineral information and data . Mindat.org . 2016-03-10.