In 50 years of collecting minerals, we've never had, or heard of mineral specimens from Holland. Never thought it existed, till now. The Ratum Quarry is apparently a limestone quarry where nice Pyrite, Calcite and Celestite specimens have been found a number of years ago.
Dimensions: 7.7 x 6.9 x 5.3cmSpecies: Celestite
Locality: Ratum Quarry, Winterswijk, , Nertherlands