Tuperssuatsiaite
Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada
Found April 1997. Analyzed (XRD, EDS)
This is a small specimen. But it is big on unusual, golden yellow, curly tuperssuatsiaite.
In the Saint-Amable sill, tuperssuatsiaite is generally visually indistinguishable from yofortierite. According to EDS (child “photo”), this is clearly not yofortierite, In fact, the analyst suggested ...