Not an expert in this field, but I would guess you could use spectrometry/spectroscopy tools to tell you what the elemental composition is, maybe a SEM to work

Not an expert in this field, but I would guess you could use spectrometry/spectroscopy tools to tell you what the elemental composition is, maybe a SEM to work out the crystallization? Either way, cloning an established leader isn't always a good strategy for success. You might just end up making a name for yourself as a cheap clone.