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an island of Indonesia
geological processes introduce silica-rich fluids into the rock where crocidolite is present
like something that built up slowly over time in a confined space
Chakra: All
which also includes other well-known gemstones like emerald and aquamarine
Opal - Mineral Specimen mineral collection an island of IndonesiaMined 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