Fossil wood that was partially transformed into amber. With really beautiful light brown grains and wood-like patterns. from newest find in Sumatra, Indonesia . Under UV light long waves it change color to blue. Partly transparent on the edges. Great collectors piece ! The specimen comes from a tested batch of amber, which has been confirmed with a certificate of authenticity issued by the International Amber Association. The certificate applies to a sample from the entire batch of amber purchased by me.