Crystals & Stones

Dendritic agate specimen from Brazil; photo by Mauro Cateb, CC BY-SA 4.0 — Roosters Peacock crystal guide
Dendritic Agate: The Stone of Growth, Patience & Natural Perspective
Dendritic Agate is chalcedony, primarily SiO2, containing branching manganese- and/or iron-oxide dendrites that resemble trees, ferns or landscapes but are not fossil plants. Explore its mineral science, pattern formation, modern... Read more...