14k gold is 14 parts gold mixed with 10 parts other (cheaper) metal (58.3 % gold) 18k gold is 18 parts gold mixed with 6 parts other metal (75% gold) So 18k is more expensive than 14k
both are same but yellow mettal is more famous and has more resale value
platum
Not more than $2 most likely. Gold plating puts a small, small, small amount of gold on the object and it usually costs a bit more to take it off than the gold is actually worth.
Platinum tends to be worth more than gold by weight, but as prices fluctuate, sometimes the gold price does go higher than the platinum price. Silver, at least in recent history (probably all of history) is worth significantly less than both gold and platinum.
You are wrong. Copper is NOT more expensive than gold.
gold is more expensive than iron simply because iron is more common and gold is also a purer metal
No, gold is more expensive than silver as it is more rare
yes platinium is much more expensive than gold
Yes, 14ct gold is more expensive than 9ct gold. This is because 14ct gold contains a higher percentage of pure gold compared to 9ct gold, making it more valuable.
Platinum is more expensive than gold because of the difficulty associated with mining it. Platinum is harder to mine than gold, which means it requires more energy and effort to extract.
Saffron
Yes.
yes
No, gold is around twice more expensive than iridium.
As far as I know Spanish gold has been the most expensive. Perhaps not the rarest but the most expensive
Titanium is generally less expensive than gold. The cost of titanium is lower due to its abundance and easier extraction process compared to gold, which is a precious metal with higher demand and value.