RRUFF #6248

Agakhanovite-(Y)

Элементы:Y Ca K Be Si O

Valence:Y Ca K Be Si O

Химия

IMA chemistry:: YCa☐2KBe3Si12O30
Valence chemistry:: YCa☐2KBe3Si12O30

Классификация

Crystal systems:: hexagonal
Space groups:: P6, mcc
Structural group:: Milarite
IMA status:: Approved

Происхождение

Country:: Norway
Published:: 2013
Oldest age Ma:: 967
Paragenetic modes:: Abiotic, Primary, Stage 4b: Highly evolved igneous rocks, PM34 - Complex granite pegmatites

Примечания

Hawthorne F C, Abdu Y A, Ball N A, Černý P, Kristiansen R (2014) Agakhanovite-(Y), ideally (YCa)☐2KBe3Si12O30, a new milarite-group mineral from the Heftetjern pegmatite, Tørdal, Southern Norway: description and crystal structure. American Mineralogist 99, 2084-2088