1. SubscriberDrewnogal
    Constant Gardener
    The Plot
    Joined
    07 Aug '12
    Moves
    51699
    09 Apr '19 07:26
    @caissad4 said
    Many people think Jet is black amber, but it is not. True Black Amber is the result of very hot volcanic ash falling on already formed amber and , due to heat exceeding 350 degrees, bonds to the surface of the amber. I removed all black ash from several pieces and it was just red, gold, gray, or white opaque beneath.
    Several pieces resemble petrified wood which is probably ...[text shortened]... lcanic eruption which formed this amber was a major event which wiped out most humans on the planet.
    Fascinating stuff. I once dated a geologist who would impress me with his knowledge of the strata in cliff faces and what the pebbles were made of during coastal walks ... great cook too! 😉
  2. SubscriberPonderable
    chemist
    Linkenheim
    Joined
    22 Apr '05
    Moves
    655234
    09 Apr '19 10:04
    @Very-Rusty

    There was intense research on the topic of crop rotation during worl war one in Germany...so your father is quite an old man I presume?
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