I completed my med school in the early 80’s as a researcher but disliked the already corporate world of big Pharma. I switched to working in mining/gemologist and have spent 40 years working with tiny (and large) genealogical sample and often use high magnification microscopes for this. Graphene will not appear in the forms you have under those conditions as “land masses”. It is extremely tough and has sharp angular crystalline edges even in aggregated forms. What does look like those masses is…