Sphere Revsund Granite Eastern Sweden Glacial Erratic Rock Geschiebe 63mm 355gr

Description

Sphere of Revsund Granite , Eastern central Sweden
Found as a glacial erratic rock along the coastline in Germany - Ostsee
Perfectly spherical , cut in my own workshop
Size : 63 cm - Weight : 355 grams
Revsund Granite ( Björna type ) has reddish tan Feldspar with greyish Quartz, whitish Plagioclase and Biotite
Age : 1.8 billion years - Origin : Middle Sweden - Find : Ostsee , Germany