These are Medium sized, electroplated and magnetised Hematite Tumbled Stones, they have a strong Magnetic pull and work very well as Fridge Magnets.
These Tumbles are priced per single stone.
The average size & weight of these stones are:
25mm x 20mm x 10mm. 16g
Hematite also spelled Haematite is a mineral, is mined as the main ore of iron. Gray hematite is typically found in places that can have still standing water or mineral hot springs, such as those in Yellowstone National Park in North America.