Polished Tiger Iron slab TI323 Green Opal Smoky Quartz crystal cluster from

Smoky Quartz crystal cluster from Wyloo

Full round attached to host rock

Dimensions at widest points approximately 110 mm x 85 mm x 8

100 mm x 75 mm  x 25 mm

Polished Tiger Iron slab TI323 Green Opal Smoky Quartz crystal cluster fromTI323 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 160 mm x 65 mm x 7. 5 mm thick. Weighs: 211 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.