Opal References in Antique Gemological Books

Opal stories, superstitions and titbits Roman Senator Nonius outlawed over Opal Discussion on Opal Superstition in 16th century and how they were reinstated by Queen Victoria Overpriced Mexican Opals for Tourists (1887) Opal References before 1700 Georg Agricola (1652) on Opals Nicols (1652) on Opals Tavernier on Hungarian and Indian Opals Albertus Magnus Sir Isaac […]

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