Abrasive sand

Abrasive powders (regional also Stubensandstein is called), a fine sand is that, -tischen for cleaning wood and stone floors and so forth. In First World countries it is mostly replaced by chemical abrasives .

Scouring sand is either river sand or by the Day or underground cleardown of sandstone won. When dismantling underground, this sometimes results in larger corridor systems, which were converted into storage and beer cellars before the introduction of cooling machines in Franconia . The Württemberg community of Sternenfels became famous for its sand farmers, who extracted the relevant raw material from the local parlor sandstone . In the Heers forest north of the town of Blankenburg am Harz there are also former large aboveground and underground excavation sites for abrasive sand in the form of sand caves .

Individual evidence

1. ↑ The sand caves. In: harzlife. Retrieved on February 7, 2016 (northeast of the Regenstein castle ruins in a forest area called "Heers" between Blankenburg and Halberstadt). 

Web links

• Entry on Former underground extraction of scouring sand (mine tunnel of a sand pit, Trier, Pallien) in the database of cultural assets in the Trier region .