Topaz

specimen number:
8822023

location:
Mt. Surprise, Queensland, Australia

description:
A colorless crystallized alluvial piece of gemmy topaz. In good condition.

Mount Surprise, located in the Einasleigh Uplands of north Queensland, Australia, has a rich history centered around gem-gathering, pastoral settlement, and early twentieth-century mining activity. Geologically, the region is renowned for its Cenozoic basaltic volcanic fields and extensive alluvial deposits, where weathering has eroded the underlying granite and basalt terrains. Mineralogically, the area is world-famous for producing exceptional gem-quality topaz, along with smoky quartz and peridot. These topaz crystals typically weather out of alluvial wash and eluvial soils, prized by collectors and lapidaries for their remarkable clarity and natural color variations, ranging from clear and pale blue to sherry yellow.

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