Alcaline intrusion. Part of the Cornubas Mts./Diablo Plateau complex.
Refs.:
- Barker & Hodges (1977)Geol. Soc. A. Bull., 88, 1428-1436.
- Boggs & Ghose (1985) Can. Min. 23, 1-4 (georgechaoite)
Ghose & Thakur (1985) Can. Min. 23, 5-10 (georgechaoite structure)
- DeMark (1989) Min. Rec. 34, 60
- Tschernich, R. (1992): Zeolites of the World, 67
- McLemore (1996) Can. Min. 34, 335-347.
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http://www.koeln.netsurf.de/~w.steffens/point.htm
54 entries listed. 49 valid minerals. 1 type locality (valid mineral).