An invaluable source of information about opals; from its history as a gemstone to first-time publication of "Wollaston's Journal, "a fascinating record of early opal-mining days in Australia." History, collecting and care of opals worldwide. color photos, b/w photos, maps and drawings; 224 pp include index.
An invaluable source of information about opals; from its history as a gemstone to first-time publication of "Wollaston's Journal, "a fascinating record of early opal-mining days in Australia." History, collecting and care o...
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