HomeStoreNew Category on Website, Thumbnail minerals New Category on Website, Thumbnail mineralsBy Doug Bradstreet / November 24, 2023 Amazing thumbnail specimens from around the world. Thumbnail minerals are generally under 1 inch in size so you can have a very comprehensive collection without taking up a lot of space. These thumbnails are high grade minerals in small sizes. Fluorite, Elmwood mine Calcite, Elmwood mine Native gold on quartz Emerald Crystal Share this:FacebookTwitterPrint Related