Tag : Biomineralisation

Black Pearls – Grey Pearls

Author(s) :

- Date : 2017

Tags : Biomineralisation / Nacre / Pearls / Pigments / Pinctada Margaritifera

Black Pearls – Grey Pearls. Published in Journal of Gemmological Association of Hong Kong GAHK, 2017, 38, 32-24.

Author(s): H.A. Haenni