Aluminomagnesiohulsite
Aluminomagnesiohulsite is an IMA-recognized mineral species in the borate class, with the chemical formula Mg₂AlO₂(BO₃).
It crystallizes in the monoclinic crystal system (space group P2/m). It is a member of the Hulsite structural group.
Key properties: specific gravity 3.84; optically biaxial.
IMA symbol Amhul, IMA status: approved, named in 2002.
Found in one thin section from a magnesian, spinel-bearing, kotoite-marble skarn.
It is found associated with Ludwigite, calcite, spinel, löllingite, pertsevite, clinohumite.
Describes the mineral as the Al- and Mg-dominant analogue of hulsite.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
Browse more A minerals or help write this entry.