Thomas de Groot <tho### [at] degrootorg> wrote:

> I am not yet entirely satisfied with the "green" one. The main
> difficulty being the impossibility to obtain an image of the real stuff.
> What there is is not really  helpful.

https://mern.gouv.qc.ca/english/mines/industry/architectural/architectural-quarrying-stones-granite-green-saint-andre-g
reen.jsp

Probably a completely crap photo, but there is contact info.

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