My girlfriend just returned from Cambodia with a large mortar and pestle which she was told was sandstone. To me it doesn't look like sandstone at all - if anything it looks like basalt - having read a few forum posts regarding knock-off "stone" mortar and pestles which are actually made using crushed rock and cement I started to get concerned.
To my knowledge these cement-based mortar and pestles can not (and should not) be used in cooking, does anyone know any more on this topic? I've attached a few images of the mortar and pestle in question - to me it looks like it is stone (based on the scoring marks all over it), but it has a cement-ish smell to it and the exterior has been coated with some kind of lacquer.
I really want to use it (and my girlfriend would be devastated she carted the seriously heavy thing all the way from Cambodia for nothing) but am fearful that it is in-fact a knock-off.
Any comments/suggestions would be greatly appreciated.
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