Sand is found nearly everywhere ... e.g. in rivers, in lakes, on beaches, on mountains, in deserts, in sand storms or even deep under the ground.
For an comprehensive sand collection it is very important to classify the exact place of discovery.
Not only the exact location, according to ISO 3166-2, but also what type of sand it is.
To distinguish between the different sands in my sand collection, I defined the following Sandtypes:
|Classification of sand samples|