Weloganite and Quartz Upper Sill (alcove), Francon Quarry, Montreal, Quebec, Canada. Ex. Dr. Steve Chamberlain Collection. Prev. Canadian Museum of Nature collection. This 1.6 cm example is a piece composed of two parallel growth crystals of classic form. There is very little in the way of typical overgrowths allowing one to see the true deep yellow color of the species. Excellent form, good translucence and no damage. 270$