Rocksday

Moss Agate

Clear to milky chalcedony with green, moss-like branching inclusions of minerals such as chlorite or hornblende.

Moss Agate specimen
Photo: Unknown, Public domain, via Wikimedia Commons

How to identify moss agate

  • Green tendrils that look like moss or trees.
  • Translucent background.
  • Usually no banding despite the name.

Often confused with

Where it's found

  • India
  • Montana
  • Wyoming

Uses

Cabochons, slabs and tumbled stones.

Rock tumbling

Great for tumbling.

Did you know?

The 'moss' isn't plant matter — it's mineral growth that branches like a plant.

Think you could spot it from a blurry close-up?

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