Polished Dendritic Opal slab DO214 Polished slab. 105 mm x 85 mm

105 mm x 85 mm  x 8

Approximate dimensions at widest points 200 mm  x 90 mm  x 60 mm thick

Sometimes it exhibits striking contrasting veins of magnesite

Desert Sunset is a banded iron formation that is comprised of alternating layers of red and yellow jasper and chert with narrow bands of black hematite

Each piece approximately  4 - 6 cm at widest points

Polished Dendritic Opal slab DO214 Polished slab. 105 mm x 85 mmDO214 Wanong Dendritic Opal slab polished on one side. Dimensions at widest points approximately 145 mm x 95 mm x 10. 5 mm thick Weighs 217 grams From Wanong Creek, in the Gascoyne region of Western Australia.