Formerly: Bond Zone, Columbium Mining Products, Oka, Oka complex, Deux-Montagnes Co., Québec, Canada
The niocalite type locality lies on "Quebec Columbium Ltd property (Bond Zone)". The Bond Zone extends from that property onto the adjacent "Columbium Mining Products Ltd. property (Bond Zone)", and that is where the type latrappite occurrence is situated.
References:
http://www.mindat.org/mesg-15-125596.html
Mineral List:5 entries listed. 4 valid minerals. 1 type locality (valid mineral).
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