Polished Tiger Iron slab TI335 Polished dendritic opal From the Eastern Goldfields region

From the Eastern Goldfields region of Western Australia

Polished on one side with a natural rough back and  a cut base to stand on

Bauxite (laterite)  rough rock

GRN86  Green Opal & Magnesite slab

CH439  Chrysoprase  slab polished  on one side

Polished Tiger Iron slab TI335 Polished dendritic opal From the Eastern Goldfields regionTI335 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 100 mm x 65 mm x 7 mm thick. Weighs: 119 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.