Quartz with radiating fibres, sold as Trapiche quartz
Author(s) : -
Date : 2014
Quartz with radiating fibres, sold as Trapiche quartz. Published in Journal of Gemmology, 2014, 4, 296-298.
Author(s): M.S. Krzemnicki, B.M. Laurs
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Tag : Trapiche
Element mapping of trapiche rubies
Author(s) : -
Date : 1999
Element mapping of trapiche rubies. Published in Journal of Gemmology, 1999.
Author(s): K. Schmetzer, Z. Beili, G. Yan, H.-J. Bernhardt, H.A. Haenni
Trapiche-Rubine
Author(s) : -
Date : 1997
Trapiche-Rubine. Published in GZ, 1997.
Author(s): K. Schmetzer, H.A. Haenni, H.-J. Bernhardt, D. Schwarz