К минералам

RRUFF #5902

Allanite-(Nd)

Элементы:CaNdAlFeSiOH
Valence:CaNdAlFe^2+SiOH

Химия

IMA chemistry:
CaNd(Al2Fe2+)[Si2O7][SiO4]O(OH)
Valence chemistry:
CaNdAl2Fe2+(Si2O7)(SiO4)O(OH)

Классификация

Crystal systems:
monoclinic
Space groups:
P21, m
Structural group:
Allanite, Epidote
IMA status:
Approved

Происхождение

Country:
Sweden
Published:
2010
Oldest age Ma:
1890
Paragenetic modes:
Abiotic, Primary, Stage 3a: Earth's earliest Hadean crust, PM8 - Mafic igneous rocks

Примечания

Škoda R, Cempírek J, Filip J, Novák M, Veselovský F, Čtvrtlík R (2012) Allanite-(Nd), CaNdAl2Fe2+(SiO4)(Si2O7)O(OH), a new mineral from Åskagen, Sweden. American Mineralogist 97, 983-988