I thought I recognized the ‘quick and dirty’ reference -
(Easy test for copper in tourmaline?):
Not trying to hijack my thread are you @Skyjems? 
I’ve not purchased any parcels of anything yet, so I’ve no experience in checking parcels out. I’m sure it’ll come in the future, I’m just starting to have a go at faceting. I’ve just been collecting single stones from here and there.