Opal - Mineral Specimen emotional stability It is also great to

It is also great to use as a preventative of breakage

5cmOverall Length: 25

₅)Al₆(BO₃)₃Si₆O₁₈(OH)₄

Approximate Size of Brachiopod Fossil: 1

which is a type of quartz

Opal - Mineral Specimen emotional stability It is also great toMined 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