Dendritic Agate

Big Photo

Moss Agate
17.45 carats

Dendritic Agate is a colourless or white-grey, translucent Chalcedony with tree- or fern-like inclusions - dendrites (from Greek - tree-like). The dendrites are iron or manganese inclusions of brown or black colour.

Dendritic Agate Gemstones by Colour

This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.

Dendritic Agate Gemstones by Size

This table shows distribution of Dendritic Agate gemstone sizes that are listed on this site. This can give a good indication as to the general availability of this gemstone in different sizes.
Contributed photos
Lightest:17.1 cts
Heaviest:58.40 cts
Average:26.89 cts
Total photos:17
Do you have a larger Dendritic Agate? Why not upload a photo?
17.10ct to 21.23ct21.23ct to 25.36ct25.36ct to 29.49ct29.49ct to 33.62ct33.62ct to 37.75ct37.75ct to 41.88ct41.88ct to 46.01ct46.01ct to 50.14ct50.14ct to 54.27ct54.27ct to 58.40ct
General Information
A variety or type of:Chalcedony, which is a variety of Quartz
Moss Agate - A translucent chalcedony containing green strands of chlorite.
Photos of natural/un-cut material from
Colour (General)Colourless or whitish-grey body with black or brown tree- or fern-like markings.
Walter Schumann, Gemstones of the world (2001)
Walter Schumann, Gemstones of the world (2001)
Further Information
Mineral information:Dendritic Agate information at
Copyright © Jolyon & Katya Ralph 1993-2023. Site Map. Photographs are copyright of the individuals who submitted them. For more information please contact the . is an online information resource dedicated to providing free gemmological information to all.