Yagiite
A rare osumilite-group cyclosilicate discovered in Spain's Colomera iron meteorite, named for Kenzo Yagi.
Intro adapted from Wikipedia (CC BY-SA).
Yagiite is an IMA-recognized mineral species in the silicate class, with the chemical formula NaMg₂(AlMg₂Si₁₂)O₃₀.
It crystallizes in the hexagonal crystal system. It is a member of the Milarite structural group.
Key properties: specific gravity 2.7; optically uniaxial.
IMA symbol Yag, IMA status: approved, named in 1968.
Found in silicate inclusions of an iron meteorite, crystallized in a magnesium-rich environment.
It is found associated with Diopside, whitlockite, tridymite, plagioclase, nickel-iron.
The name refers to Dr. Kenzo Yagi, Professor of Geology, Hokkaido University, Sapporo, Japan.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data and a Wikipedia introduction — a full written entry hasn’t been published yet.
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