24/06/10: GEMNOTES Vol. 1, No. 3, June 2010

Contents:
a) News from the Laboratory
b) GEMNOTES Short Papers: The Pearl Story Continues - A Pinctada Maxima Pearl Bead-Cultured with a Natural Pinctada Pearl

 17/05/10: GEMNOTES Vol. 1, No. 2, May 2010

Contents:
a) News from the Laboratory
b) The GEMMOSCIENCE Group - an Update
c) Urgent Laboratory Alert - Cultured Pearls Beaded by Natural Pearls Entering the Market - One of the Major Scams in Pearl History Unveiled by GEMLAB

b) GEMNOTES Short Papers: An Irradiated Green Diamond with Umbrella Effect

 28/02/10: GEMNOTES Vol. 1, No. 1, February 2010

Contents:
a) News from the laboratory, a review of the year 2009
b) GEMNOTES Short Papers (including: Transparent pink zoisite, coated pink diamond, unusual yellow sapphire, Mogok ruby with large two phase inclusions, heavily included Verneuil ruby)

 23/06/2009: Lead glass treated star ruby without flash effect -- Maxixe bery VS aquamarine

30/03/2009: Clarity enhanced diamonds -- Polycrystalline diamond -- Interesting synthetic rubies

08/09/2008: Another scam involving lead glass treated corundum (Now new as PDF file!)

19/06/2008:  Have you ever seen a "gota de aceite" emerald? (Now NEW as PDF file!)

14/05/2008:  More synthetic quartz passing through the GEMLAB Laboratory - large synthetic ametrines misrepresented as natural stones (Now NEW as PDF file!)

25/03/2008:  !!! Very Important Laboratory Alert !!! Very Convincing Rough Diamond Imitations Appearing in Masses in the Market (Now NEW as PDF file!)

06/03/2008:  Strongly zoned Verneuil synthetic sapphire - Presentation of a spectroscopic method to distinguish synthetic and natural blue sapphire - A review of the similarities of inclusions in flux synthetic and natural sapphires (Now NEW as PDF file!)

24/12/2007:  LABORATORY WARNING - 1) Lead glass filled rubies sold as untreated Mogok rubies; 2) Phenakite sold as diamond or rare diamond-like gemstone

30/11/2007:  1) A study of an unusual hackmanite from Myanmar; 2) Some new super-inclusions photographed by Gemlab

15/08/2007:  Laboratory warning - Synthetic amethyst and citrine quartz overflowing the market