Rubber mallet

The crystal bowl or "crystal vessel" is made of quartz crystal powder (also called rock crystal), that is, silica sand. This sand is composed of 99.9% of silicon dioxide (SiO²) and traces of iron oxide, aluminum oxide, calcium oxide, sodium oxide, potassi

The crystal bowl or "crystal vessel" is made of quartz crystal powder (also called rock crystal), that is, silica sand. This sand is composed of 99.9% of silicon dioxide (SiO²) and traces of iron oxide, aluminum oxide, calcium oxide, sodium oxide, potassi

The crystal bowl or "crystal vessel" is made of quartz crystal powder (also called rock crystal), that is, silica sand. This sand is composed of 99.9% of silicon dioxide (SiO²) and traces of iron oxide, aluminum oxide, calcium oxide, sodium oxide, potassi

Friction stick to make crystal bowl sing