These are Medium sized, low grade Nuummite Tumbled Stones from Greenland.
These Tumbles are priced per single stone.
The average size & weight of these stones are: 26mm x 17mm x 15mm & 14g
Nuummite is a rare metamorphic rock that consists of the amphibole minerals gedrite and anthophyllite. It is named after the area of Nuuk in Greenland, where it was found.