Opal - Mineral Specimen deep-rooted trauma 5cm x 2cmApproximate Weight of

5cm x 2cmApproximate Weight of 1 piece: 100g

The galena forms sharp

with the kind of aggressive

Mosasaurs had flexible skulls and jaws that were double-hinged which they used to swallow prey whole

Approximate size of 1 piece: 80mm x 80mm x 9-12mmApproximate weight of 1 piece: 40g

Opal - Mineral Specimen deep-rooted trauma 5cm x 2cmApproximate Weight ofMined from: Coober Pedy, South Australia, Australia Description: This Australian opal is shown in rough form, still partially embedded in its host rock, with a mix of pale blue grey translucent silica and earthy red brown ironstone staining. The surface shows natural weathering and pitting, with areas of exposed opal displaying a waxy to slightly glassy luster. Subtle internal color shifts are visible in the cleaner sections, with faint hints of blue