Blue Sumatran Amber

A distinctive polished piece of Sumatran amber displaying deep, nearly black brown tones in ordinary light, with a striking blue fluorescence under ultraviolet illumination. The contrast between its dark exterior appearance and vivid electric-blue UV response gives this specimen a particularly intriguing character.

Under UV light, a brilliant blue glow reveals intricate internal patterns, including branching, cloudlike formations and fine speckled details suspended within the amber. These natural variations create the impression of a miniature landscape, making the piece fascinating to examine from different angles and under different lighting conditions.

Its smooth, rounded form highlights the contrast between the amber's glossy surface and the complex patterns revealed beneath it. Compact enough to hold comfortably, this specimen is especially appealing to collectors interested in fluorescent materials, unusual amber, and the interaction between natural substances and ultraviolet light.

Specimen Details

Color: Dark brown to nearly black in visible light; blue fluorescence under UV

Dimensions: 2.6 × 1.3 × 1 inch

Weight: 1.8 oz (51 g)