Arfvedsonite, Orthoclase (variety Adularia) - Alinci, North Macedonia, Republic of - 7,5 x 4 cm
Mineral: Arfvedsonite, Orthoclase (variety Adularia)
Locality: Alinci, Prilep, Mariovo, Republic of North Macedonia
Dimensions: 7,5 x 4 cm

Description: Black arfvedsonite needles in and on adularia.