For most of human history, salt has corresponded to this definition. Have you ever wondered why it’s called a salary?
It’s very nice when your wallet is barely keeping afloat and you’re left without money because salt gone form wallet… Or do you mean super cheap rock salt?
Well, to be left without money because I got caught in the rain is not still a pleasure.
Tungsten is also one of the rarest minerals on Earth, despite its relative cheapness.
Good… At a time when gold was still a currency, tungsten was not yet able to be smelted. In addition, when heated, tungsten is reactively oxidized, unlike gold.
It’s very nice when your wallet is barely keeping afloat and you’re left without money because salt gone form wallet… Or do you mean super cheap rock salt?
Well, to be left without money because I got caught in the rain is not still a pleasure.
Good… At a time when gold was still a currency, tungsten was not yet able to be smelted. In addition, when heated, tungsten is reactively oxidized, unlike gold.