Rensselaer Semi-Weekly Republican, Volume 20, Number 107, Rensselaer, Jasper County, 29 September 1899 — Opals in Australia. [ARTICLE]

Opals in Australia.

Opal mining is one of the latest Australian mineral industries. The principal opal mining center is White Cliffs, where the gem has been found in highly payable quantities and of the richest quality, within a radius of ten miles, and a population of 1,500 or thereabouts is settled there.