К минералам

RRUFF #5667

Angastonite

Элементы:CaMgAlPOH
Valence:CaMgAlPOH

Химия

IMA chemistry:
CaMgAl2(PO4)2(OH)4·7H2O
Valence chemistry:
CaMgAl2(PO4)2(OH)4·7H2O

Классификация

Crystal systems:
triclinic
Space groups:
P1
IMA status:
Approved, Redefined

Происхождение

Country:
Australia
Published:
2008
Paragenetic modes:
Biotic, Secondary, Stage 7: Great Oxidation Event, PM47 - Low-T subaerial oxidative hydration/weathering

Примечания

Mills S J, Groat L A, Wilson S A, Birch W D, Whitfield P S, Raudsepp M (2008) Angastonite, CaMgAl2(PO4)2(OH)4·7H2O: a new phosphate mineral from Angaston, South Australia. Mineralogical Magazine 72, 1011-1020 Redefined as an amorphous compound: Grey I E, Elliott P, Mumme W G, MacRae C M, Kampf A R, Mills S J (2022) Redefinition of angastonite, CaMgAl2(PO4)2(OH)4·7H2O, as an amorphous mineral. European Journal of Mineralogy 34, 215-221