Natural gold nuggets never have a fixed karat value. Alaskan gold nuggets are all individually different but never comes with 24k.
24k Pure gold is Man-Made. All our gold is 100% real natural gold. For Instructions to use the "Gold Test Acid Kit" to check gold purity on YouTube, How to Test Gold in Super HD Quality. This item is in the category "Coins & Paper Money\Bullion\Gold\Nuggets". The seller is "zeilansales" and is located in this country: US.