@blokport: Larvikite from Norway is the only granite producing blue iridescence. The blue iridescence shifts and changes with every angle of light. Larvikite has been quarried near the town of Larvik since the 1880s. #LearnOnTikTok #DidYouKnow #ScienceTok #FunFacts #NatureIsAmazing #NaturalStone #BlokPort #Quarry #Granite #NaturalGranite #GraniteQuarry