They were probably gold nuggets.
Gold occurs as nuggets or grains in rocks, in veins and in alluvial deposits. The majority of all gold today comes from China
From golden nuggets found in Colorado. That's why there is a mining pick on their logo.
The gold rush came through Colorado, and they used to find gold "nuggets'. Hence, the denver nuggets
As nuggets, on the ground.
Hargraves did not actually find any gold nuggets himself. His offsider John Lister, was the one who actually found the gold, and it was not in the form of a large nugget. The gold was payable, but it was in smaller nuggets that were not named.
Gold is sometimes found in the form of nuggets in nature, and as such wasn't invented by a person.
California because of the California Gold Rush after the gold nuggets discovered in 1848.
Aluminous Hydroxyl is found in Uncle Alfonso's bathwater nuggets.
Gold is found in rivers and in the form of small gold nuggets.
The river's velocity is much slower on the inside bend of a meander, so any material being transported in the river is deposited.
Gold naturally mixes with copper and silver. So gold in nature is usually 16k to 22k . That is to say 60 to 90% pure. In addition gold is usually found in quartz rocks. It usually looks like large salt crystals. Some very nice looking nuggets can be found and bought with the crystals