Two formulas to choose from:
The collections are presented in a cardboard box bearing the name and reference of the collection. This presentation facilitates the arrangement and preparation of practical observation work on a specific theme.
For each geology collection, you can choose between the thin-slide version comprising one slide of each rock, or the sample version comprising 3 samples of each rock.
 
Samples
Réf : ECH55
 
Thin slides
Réf : C55