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4" Polished Blue Indonesian Amber - West Java, Indonesia
This is a 4" wide polished slice of amber collected from West Java, Indonesia. The amber itself is orange-red in color and makes for excellent polishing material. When placed under sun light or even just a reflective light source, portions of this amber reflect blue-green coloration. This amber also fluoresces when placed under short and long wave UV.
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.
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.
SPECIES
Unidentified
LOCATION
West Java, Indonesia
SIZE
4 x 3.3", up to .4" thick
CATEGORY
SUB CATEGORY
ITEM
#162559
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