Polished Tiger Iron slab TI333 #google DO187 Wanong Dendritic Opal slab

DO187  Wanong Dendritic Opal slab

Dimensions at widest points approximately 240 mm  x 140 mm x 55 mm thick

EU110  Eucryptite slab

cut and polished  on one side with a natural back and a cut base to stand as a display specimen

Polished Tiger Iron slab TI333 #google DO187 Wanong Dendritic Opal slabTI333 Tiger Iron slab, polished on one side. Amazing folds ! Dimensions at widest points approximately 265 mm x 150 mm x 10 mm thick. Weighs: 1,001 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 chatoyant golden tiger eye.