Details in the texture aka sculptation of moldavite can't be replicated in any lab
That is correct, when zooming into moldavite using 40x or 100x magnification you can see authenticity in the details.
Even though the microscope can zoom even 900x onto flat objects and 2500x using oil, with moldavite it's different, because the sculptation is almost never flat so 250x zoom is the most even high end microscopes can do, perhaps 3D microscope could zoom even deeper but for verifying authenticity 40x is often enough.
Almost every moldavite is unique under microscope
This depends on where the moldavite is found, and also the sculptation of every piece, most of localities are named after towns where it fell millions of years ago.
Sometimes the surface sculpture is very similar from piece to piece of same locality and sometimes different, for example Chlum has moldavite very similar from piece to piece but i have found something very interesting on some moldavite pieces from Brusna or also Bartochov.
