Polished Tiger Iron slab TI374 purple lepidolite GRN96 Green Opal & Magnesite

GRN96  Green Opal & Magnesite rough rock

Approximate dimensions at widest points 200 mm  x 90 mm  x 60 mm thick

500 mm x 140 mm x 130 mm thick

Dimensions at widest points are approximately 105 mm x 85 mm x 55 mm

Polished Tiger Iron slab TI374 purple lepidolite GRN96 Green Opal & MagnesiteTI374 Tiger Iron slab, polished on one side. Large, museum quality geological specimen displaying folding ! Dimensions at widest points approximately 330 mm x 260 mm x 12 mm thick. Weighs: 2,460 grams From the Cleaverville Formation, Ord Ranges near Port Hedland, Western Australia. Age is over 3 billion years. Tiger iron is a banded iron formation (BIF) or jaspilite that has alternating layers of black and brown hematite magnetite, red jasper and