Rocksday

Larvikite

A dark Norwegian monzonite whose feldspar crystals flash silvery blue.

Larvikite specimen
Photo: Woudloper, Public domain, via Wikimedia Commons

How to identify larvikite

  • Dark gray with large feldspar crystals.
  • Silver-blue flashes when turned in light.
  • Little or no quartz.

Often confused with

Where it's found

  • Larvik, Norway

Uses

Polished building facades and countertops ('Blue Pearl').

Rock tumbling

Great for tumbling.

Did you know?

It was named Norway's national rock in 2008.

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

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