Prismatine from Waldheim, Saxony, Germany — Photo: Kritzolina · CC BY-SA 4.0
Prismatine
An orthorhombic borosilicate forming a solid-solution series with kornerupine.
Intro adapted from Wikipedia (CC BY-SA).
Prismatine is an IMA-recognized mineral species in the silicate class, with the chemical formula (Mg,Al,Fe)₆Al₄(Si,Al)₄(B,Si,Al)(O,OH,F)₂₂.
It crystallizes in the orthorhombic crystal system (space group Cmcm). It is a member of the Kornerupine structural group.
IMA symbol Prm, IMA status: approved, named in 1886.
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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