Diorite at The Arctic University Museum of Norway in Tromsø. Diorite is formed by the slow cooling underground of magma (molten rock).

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Size: 6088px × 3828px
Location: Tromsø Botanical Garden, Tromsø, Norway
Photo credit: © Thomas Bjørkan / Alamy / Afripics
License: Royalty Free
Model Released: No

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