A cabochon of Chalcedony with Chrysocolla and Native Copper.
This attractive gem material is fairly new to the market and comes from a recent find on Obi island, North Maluku, Indonesia.

The colourless, translucent Chalcedony displays subtle banding and swirling structures and holds plumes of bright greenish-blue Chrysocolla.
Rising through the translucent host are dendritic sprays of Native Copper (see magnified images 6 and 7).
When these reach the surface of the cabochon these features gleam with metallic lustre.

Image 5 shows this alluring cabochon in transmitted light.

To see a short video of this cabochon on YouTube, please use this link: https://youtu.be/FbV13HI7GJM

weight:  30.83 carats
shape:   Oval cabochon
dimensions:   34.55 x 20.08 x 4.73 mm
treatment:  None