This time I got something special for You: Polished partly blue amber is very rare. Hard to get any of it. This is amazing investment - transparent good grade blue amber. Strong fluorescence under UV light. Was hard to take pic, but when You will take this piece outside in sunny day You will see that it's blue. Condition as on pictures. Great collection specimen much better in person Genuine ( tested ) natural amber from Sumatra, Indonesia This is amazing investment - mostly transparent pieces with great color variety. Strong fluorescence under UV light ( one pic is my lamp that i'm using, but normal cheap one will do work too) This amber showing strong blue fluorescence under UV light. This material ( not this specimen ) was tested and certificated in International Amber Association on 21/03/2016 in Gdańsk in Poland and GIA. Tests results - natural amber 20/23-40 million years old.