All of our Minerals are 100% Genuine Specimens & come with a Certificate of Authenticity
**Please note: Some Minerals may be propped up for photo purposes**
Size (picture scale cube=1cm): 81 x 60 x 34mm (3.19 x 2.36 x 1.34 inches)
Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of the minerals quartz and moganite.
ACTUAL AS SEEN: The image shows the EXACT specimen you will receive. The specimen has been carefully hand selected and photographed. Measurements are as accurate as possible, though be aware measuring precise dimensions can be difficult from irregular shaped items. Whilst we portray colours as close to life-like as we can, colours will vary if taken in sunlight, indoors, from monitor to monitor and device to device. Once this specimen is sold, we will update this listing with new similar selected item, with a new photo and dimensions.