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Typical Lune with green veins (purple/violet slate):

https://c2.staticflickr.com/8/7359/26698148993_2341b509ff_c_d.jpg

Well actually there is the issue that many slates do show the red / purple coloration with green blotches, spots or lines....its a geological redox reduction which results in that type of coloration...

Haha not always, they appeared both in black-blue metallic or purple color....here is a Combinaison Stone AD20 labelled as "LA LUNE" which is the typical "Special Stone"...

So there are no tight...

Here are the details asked for:

https://razorlovestones.wordpress.com/2016/02/02/a-new-story-about-f-g-b-c/
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