12.4" Piece Of Polished Indonesian Amber - Massive!

This is a huge, 12.4" wide piece of amber collected from West Kalimantan, Indonesia. It weighs in at a whopping 10.6 lbs.

The amber has been polished to a glossy finish across the entire specimen. Under both short and long-wave UV, the amber fluoresces a vibrant blue-purple color, as well as reveals the waves/layers that formed during the deposition of the amber.

About Indonesian Blue Amber

Indonesian blue amber is a rare and captivating variety of amber found primarily in the coal deposits of Sumatra, Indonesia. Formed from the fossilized resin of ancient trees, particularly the extinct Hymenaea protera, this amber dates back approximately 23 to 30 million years, placing it in the Late Oligocene to Early Miocene periods.

What sets Indonesian blue amber apart is its unique coloration. While appearing as typical amber under artificial light, it exhibits a remarkable blue fluorescence under natural sunlight or ultraviolet (UV) light. This phenomenon is attributed to the presence of specific hydrocarbons, such as perylene, within the amber's structure.

Geologically, this amber is associated with the Sinamar Formation in Sumatra, where volcanic activity and the presence of coal deposits have contributed to its formation and distinct characteristics. The region's dynamic geological history, including volcanic intrusions, played a significant role in the amber's development.
SOLD
DETAILS
SPECIES
Unidentified
LOCATION
West Kalimantan, Indonesia
SIZE
12.4 x 8.4 x 5", ~10 3/4 lbs
CATEGORY
SUB CATEGORY
ITEM
#244154
GUARANTEE
We guarantee the authenticity of all of our specimens.