Polished Tiger Iron TI369 #brecciated pink opal 12 pieces rough Dendritic Opal

12 pieces rough Dendritic Opal

Dimensions  28 cm x 23 cm x 2

Interesting inclusion of quartz in this one

It weighs 117 grams

Dimensions at widest points approximately 205 mm x 150  x 70 mm thick

Polished Tiger Iron TI369 #brecciated pink opal 12 pieces rough Dendritic OpalTI369 Tiger Iron rough rock, cut and polished on one side with a rough natural back and a cut base to sit as a display specimen. Dimensions at widest points approximately 190 mm x 70 mm x 50 mm thick. Weighs: 1,708 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,