101g
A rough version of crystal is usually cut from a much larger piece of mined material that is too large or heavy to be used by a person. Rough chunks such as calcites are often acid-washed to subtly smooth out rough edges that may cause cuts or injury and to prevent further flaking or breakage.
![](http://blisscrystals.com/cdn/shop/files/blue-kyanite-rough-stone-raw-natural-chunk-1-medium-bk48-437_small.jpg?v=1718327895)
![](http://blisscrystals.com/cdn/shop/files/blue-kyanite-rough-sterling-silver-ring-sk8325-582_small.jpg?v=1718341742)