Alacránite

Химия

IMA chemistry:: As8S9
Valence chemistry:: As8S9

Классификация

Crystal systems:: monoclinic
Space groups:: P2, c
Structural group:: Not in a structural group
IMA status:: Approved, Renamed

Происхождение

Country:: Russia
Published:: 1985
Oldest age Ma:: 443
Paragenetic modes:: Abiotic, Biotic, Primary, Stage 3a: Earth's earliest Hadean crust, PM11 - Volcanic fumarole minerals, Stage 3b: Earth's earliest hydrosphere, PM12 - Hadean hydrothermal subsurface sulfide deposits, Stage 4a: Earth's earliest continental crust, PM33 - Hydrothermal metal deposits, Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere, PM50 - Coal and/or oil shale minerals, Stage 10b: Anthropogenic minerals, PM54 - Coal and other mine fire minerals

Примечания

Popova V I, Popov V A, Clark A, Polyakov V O, Borisovskii S E (1986) Alacránite, As8S9 - a new mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 115(3), 360-368 Chemical formula changed: Burns P C, Percival J B (2001) Alacranite, As4S4: A new occurrence, new formula, and determination of the crystal structure. The Canadian Mineralogist 39, 809-818 Chemical formula changed again: Bonazzi P, Bindi L, Popova V, Pratesi G, Menchetti S (2003) Alacranite, As8S9: structural study of the holotype and re-assignment of the original chemical formula. American Mineralogist 88, 1796-1800