Pyrite

Price: EUR 40.00 

(incl. sales tax 7%).Gross price is indicated for recipient country = Germany. Net EUR 37.38. Amount of sales tax depends on delivery address (EU sales tax reform as of July 1, 2021). Country setting can be changed in the shopping cart.

This old pyrite aggregate was found before 1950 and shows symptoms of decline (see the formation of cracks on the second image)