Corundum with Oligoclase and Biotite

Kleggassen, Froland, Arendal  Norway (±1957)

Specimen size: 5.4 × 4.4 × 2.4 cm = 2.13” × 1.73” × 0.94”
Main crystal size: 1 × 1 cm = 0.39” × 0.39”