De fire fakta om rav

Rav er en type fossiliseret harpiks, der kommer fra træernes plantesaft. Det kan findes over hele verden, men hvis du leder efter det i Danmark, skal du tage til Jylland og Bornholm. Et af de synlige kendetegn for ægte rav er, hvor grumset det er. Ravets farve varierer fra gulbrun til rødorange, og dets hårdhed varierer, alt efter hvor det blev fundet! Se disse fire fakta om rav for at få mere at vide om dette interessante materiale.

  1. Rav findes på stranden, i vandkanten og i det dybere hav. Men man kan også finde rav i skoven, i sandklitterne og på markerne, som har ligget der i flere millioner af år, for så til sidst er blevet til harpiks. Rav kan findes på strande i hele Danmark – her er nogle af dem: Lolland, Falster og Møn.
  2. Farven varierer i farven. Helt fra gulbrun til rød-orange. Det skyede udseende afslører også, at det er rav! Hvis du finder rav i skoven er det vigtigt at kontrollere, om der er et hul i den ene side af den. Hvis det er tilfældet, ved du med sikkerhed, at der er tale om ægte rav og ikke bare plastik!
  3. Rav lægger sjælden for sig selv. Da det er så let, vil den hurtigt lægge sig op af noget andet, såsom tang, sten eller siv. Brug en ravlygte til at finde rav med, og gerne en med ultralyd boost. Find den her: https://www.ravfund.dk/ultraboost.aspx
  4. Der findes flere forskellige metoder, hvorpå du kan tjekke, om du har fundet ægte rav. Du kan starte med at mærke på den, føles den let kontra en tilsvarende sten? Hvis den er let, og samtidig lyder “hult”, når du banker den mod dine tænder, så er der stor chance for, at det er rav. Du kan også prøve at opvarme den, hvis du alligevel har en lighter i lommen. Hvis den lugter af gran og skov, så er det med sikkerhed plastik.

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