Four Treasures Reference Database
Record No. 29381
Topaz
Journal Article
Pough, F.H. (1964) Topaz. Lapidary Journal, Vol. 18, No. 8, pp. 852–854, 856, 858, 860, 862, 864.
Sinkankas/Born No.: NIS/NIB | not seen
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gems, Topaz, Brazil
Discusses the gemological properties of topaz.