Yellow danburite from Namalulu, Tanzania, and Myanmar: Origin of Colour and Its Stability
Yellow danburite from Namalulu, Tanzania, and Myanmar: Origin of Colour and Its Stability. Published in Journal of Gemmology, 35, 5, 384-386. Author(s): C.P. Smith, M.S. Krzemnicki
Yellow danburite from Namalulu, Tanzania: Gemmological properties and chemical composition
Yellow danburite from Namalulu, Tanzania: Gemmological properties and chemical composition. Published in Journal of Gemmology, 2017, 35, 5, 381-384. Author(s): C.P. Smith, M.S. Krzemnicki, H.A.O. Wang
Sannan-Skarn, ein neuer Schmuckstein aus Pakistan
Sannan-Skarn, ein neuer Schmuckstein aus Pakistan – Sannan-skarn, a new gemstone from Pakistan. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2016, 65, 1-2, 41-46. Author(s): H.A. Haenni, L. Franz
Zircon – A very old gemstone
Zircon – A very old gemstone. Published in Journal of Gemmological Association of Hong Kong GAHK, 2016, 37, 37-41. Author(s): H.A. Haenni
Nail-head Spicules as Inclusions in Chrysoberyl from Myanmar
Nail-head Spicules as Inclusions in Chrysoberyl from Myanmar. Published in Journal of Gemmology, 2015, 5, 434-438. Author(s): K. Schmetzer, M.S. Krzemnicki
Saguaro Stone, a New Ornamental Material from Arizona (USA)
Saguaro Stone, a New Ornamental Material from Arizona (USA). Published in Journal of Gemmology, 2015, 7, 567-569.
Olivine – Peridot
Olivine – Peridot. Published in Journal of the Gemmological Association of Hong Kong GAHK, Vol. 35, 35-37. Author(s): H.A. Haenni
Polycristalline kyanite from Tanzania
Polycristalline kyanite from Tanzania. Published in Journal of Gemmology, 2014, 4, 294. Author(s): M.S. Krzemnicki
Colourless to near colourless diopside from Canada and Kenya
Colourless to near colourless diopside from Canada and Kenya. Published in Journal of Gemmology, 2014, 4, 291-292. Author(s): M.S. Krzemnicki
Quartz with radiating fibres, sold as Trapiche quartz
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