Polished Tiger Iron slab TI374 purple lepidolite Dimensions at widest points approximately

Dimensions at widest points approximately 140 mm x 120 mm x 80 mm thick

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

Dimensions approximately 150 mm x 90 mm x 16 mm thick

Small quartz crystals visible in cavity

Polished Tiger Iron slab TI374 purple lepidolite Dimensions at widest points approximatelyTI374 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