Tiger iron is a mineral mixture of
Reddish-brown jasper - metallic black magnetite/hematite and gold-colored tiger's eye
Especially the magnetite-hematite layers are 2.3 billion year old banded ores that have erupted from volcanoes and been deposited in deep-sea trenches.
BANDET IRON MINE - Northern Cape Province
SOUTH AFRICA
Weight: 2.2 kilograms Dimensions: 19 x 14 x 8 cm