Agate, Tree

Tree Agate is a form of Dendritic Agate, a white or colorless variety of Chalcedony with visible, fern-like impurities of manganese or iron. These impurities are known as dendrites, which derives from the shape at which they occur. Most Dendritic Agate on the market comes out of Brazil, Mexico or India, although beautiful specimens can be found throughout the USA.

  • Enhances rapport with living things, connecting you to nature.
  • Strength, perseverance.
  • Unshakeable self-esteem.
  • Helps the immune system fight infection.
Hardness: 6.5-7 Mohs
Specific Gravity: 2.57-2.64
Refractive Index: 1.53-1.55


Tree Agate tumbled stones in a bowl
Tumbled Tree Agate

Michelle Ferris

Michelle Ferris is the owner, curator, and buyer for Crystal Lounge by Crystallography Gems. Born & raised in Seattle by first-generation parents, she has worked to create authentic, connective, and inclusive events for the better portion of her professional life. Since 2013, Michelle worked to create community-activated Rock, Gem, Art, & Music shows, at which Crystallography Gems was a cornerstone. At the start of the pandemic, moved her operation online, and opened a shop in Georgetown, expanding into a larger showroom in 2022. In November 2023, she moved her shop to downtown Seattle, rebranding it as Crystal Lounge by Crystallography Gems. Her shop offers crystals, minerals, gems, rocks, jewelry, and metaphysical tools, and focuses on getting her customers the tools they need, and the education needed for them to make informed, confident decisions about their purchases.