weberite

weberite

[′vā·bə‚rīt]
(mineralogy)
Na2MgAlF7 A light gray, orthorhombic mineral consisting of an aluminofluoride of sodium and magnesium; occurs as grains and masses.
References in periodicals archive ?
For n = 3, the structure is the 3-block trigonal weberite [P3.
Associated minerals are: cryolite, cryolithionite, pachnolite, weberite, thomsenolite, prosopite, ralstonite, and fluorite.
Minerals identified in the pipe are: cryolite, cryolithionite, elpasolite, pachnolite, prosopite, ralstonite, thomsenolite, weberite and a new mineral with the composition [Na.
It also hosts the first occurrence of cryolithionite and simmonsite, and the second known North American occurrence of weberite.
Minerals in the younger, secondary stage include: fluorite, pachnolite, prosopite, ralstonite, thomsenolite, and weberite.