SSEF Instruments https://validator.w3.org/feed/docs/rss2.html Pearlscan Developing technology for the gem and jewellry industry Refractometer incl. light source SSEF Tweezer for Coloured Gemstones Gempedia Zuchtperlen – Andy Müller Precious – Helen Molesworth Polariscope Gemstones Terra Connoisseur – Vladyslav Yavorskyy Color Codex Refractometer fluid Blue Chart: Gem Identification – H.N. Lazzarelli Ruby – Joanna Hardy Ruby & Sapphire: a Collector’s guide – Richard W. Hughes 7000 Years of Jewellery – Hugh Tait Geology of Gem Deposits Pearls – Elisabeth Strack (English) Rubies from Greenland – Vincent Pardieu Pearls – Renée Newmann Photoatlas Koivula & Gübelin Vol. 3 Terra Garnet – Vladyslav Yavorskyy La Perle de Culture – Andy Müller Aurora – The SSEF LightBox for professional-grade gem colour assessments Sapphire – Joanna Hardy Terms and conditions of sale TESA Electronic Caliper with plate Emerald – Joanna Hardy SSEF Blue Diamond Tester Aurora – The SSEF LightBox Loupe 10x with leather case No Stone Unturned – Richa Goyal Sikri Dichroscope (flat) Ruby & Sapphire: a Gemologist guide – Richard W. Hughes Perlen – Elisabeth Strack (German) Pearls – Hubert Bari & David Lam Edelsteinkunliches Fachwörterbuch – Ulrich Henn (German) Books Small instruments Shop ASDI ASDI-500 About Portable UV-Vis The Value of Colours – Constantin Wild (German) Shop Analytical instruments