Manually grinded stones
Tumbling is completely unsuitable for some precious stones; it would do them just as much harm as the finest fabric in the washing machine.
This is not the only reason why we do everything by hand, grinding and polishing different types of stone by hand. Processing with a skilled hand is more than just functionally rounding and straightening corners and edges.
The grinder gives each stone its own individual structure, giving it a high degree of individuality. The gentle treatment is tangible: the stone thanks us with an unusually soft, gentle surface, perhaps most comparable to the texture of pebbles that have been rocked for a long time in a river bed.
Thanks to a specially developed process, we have succeeded in grinding even very crumbly mica materials such as biotite, lepidolite or kyanite!
