Copper and silver, as native metals, are also contenders, and less rare. To the alchemist, gold was associated with the sun, whose name and symbol were adopted for it. The yellow of gold is an orangish-yellow, not a bright cadmium yellow, a complex color that has its distinctive name.f there is 20%-40% silver, the alloy is called electrum. Incidentally, alloys in which gold predominates still have the properties of gold, including its resistance to corrosion, but are harder and of lighter color. Electrum may be white like silver, but will not tarnish.
1 If the liver is unable to break down the ammonia it is excreted in the urine.  Other diseases - Other common causes of the ammonia smell in urine are diabetes, metabolic disorders, sexually transmitted diseases, medications, vitamins, and nutritional supplements.
Symptoms & Signs. Normal urine is clear and has a straw-yellow color. While the odor of urine can vary somewhat, in most cases, it does not have a strong smell. With dehydration, the urine is more concentrated and may have a stronger ammonia scent than normal.