US$ 45.00
Polished on one side with a natural rough back and a cut base to stand on
Alcheringa narrina from the Archaean Meentheena Member within the Tumbiana Formation
CH439 Chrysoprase slab polished on one side
BM290 Brecciated Mookaite slab
Dimensions at widest points approximately 45 mm x 35 mm x 23 mm thick
Polished Tiger Iron slab TI335 Polished dendritic opal Polished on one side withTI335 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.