Very nicely cut and polished.
Tiger iron = layered mineral mixture of reddish brown jasper, shiny gold tiger’s eye and shiny metallic magnetite (Fe3O4)
The magnetite veins in particular come from BANDER ORES, which emerged from submarine volcanoes over 2 BILLION years ago. The remaining components did not form until more than a billion years LATER.
High-gloss, optical 1 A.
Location of the raw material: Bandet Iron Mine – TRANSVAAL – SOUTH AFRICA
Weight: 450 g Dimensions: 11.5 x 10.5 cm Plate thickness: 1.5 cm