Rocksday

Aquamarine

Pale blue to sea-green beryl, often growing as clean, long hexagonal crystals.

Aquamarine specimen
Photo: Gunnar Ries Amphibol, CC BY-SA 2.5, via Wikimedia Commons

How to identify aquamarine

  • Sea-blue, glassy six-sided prisms.
  • Hardness 7.5–8.
  • Often very clean and transparent.

Often confused with

Where it's found

  • Minas Gerais, Brazil
  • Shigar Valley, Pakistan
  • Madagascar
  • Mount Antero, Colorado

Uses

Gemstones.

Rock tumbling

Great for tumbling.

Did you know?

Aquamarine is Colorado's state gem, found high on Mount Antero.

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