Tumble-polished pebbles of pinolith, a rare combination of dolomite, graphite and magnesite.
Shapes and sizes vary, about 20-25mm x 25-30mm x 13-20mm (0.8-1.0" x 1.0-1.2" x 0.5-0.8").
If you would like to pick this item up at our store front, please select "pick up" during checkout.
If your delicate specimen is over 70lbs we will refer you to our local Crating company for safer freight shipping!
*At customer expense.