PRESS & MEDIA
Finnish magazine Etela-Saimaa 20th October 2020. Interview "One second in the history of gems" narrated by me, Esko Hamalainen.
A Story of Spectrolite Finland Ltd in Goldschmiede Zeitung, Germany October 2014
Otsikko
Spectrolite in Cannes Film Festival
John
Lufkins: Tucson Book of Mineral Show, Minerals & Fossils 2019, Spectrolite Finland Ltd
Financial Times 1985; A story of Mr. Esko Hamalainen,owner and manager of Spectrolite Finland Ltd, former mayor of Ylamaa, iniator of gem training in Finland; founder of the Gem Centre Ylamaa, Gem Museum and Ylamaa International Gem Show in Ylamaa Finland
Letter of thanks from President Urho Kekkonen to Esko Hamalainen 1979:
FB Reports News, 1985; A story of "One man show" about Mr. Esko Hamalainen in a newspaper in 1985