silver
14karat
No. They mean the same thing.
14 Karat gold is more expensive, so to some it might be considered "better", but 10 Karat gold is more durable, so will scratch/bend less and could possibly last longer.
a lot Yes and no. It is gold and gold is very expensive nowadays, but it is only 10kt which means that it is 41.6% pure.
silver
it depends on its color and size. Keep in mind that topaz is more expensive than Quartz
Gold is tremendously more expensive than titanium.
Topaz looks a little darker than gold.
Pure yellow gold is more expensive than an alloy.
Gold is more expensive at the time of writing. Palladium is about $820 an ounce while gold is about $1,340 an ounce.
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
Yes, gold is one of the more expensive metals.
Whilst pure topaz is actually colourless, it can generally be obtained in blue, pink, gold and green. Impure topaz is more typical and can be reddish-orange, yellow or wine-coloured.
yep ^That answer is 100% false. Yellow topaz is NOT the same as citrine. Though they appear similar in color, they are chemically very different. Citrine is a quartz crystal and topaz is mineral crystal and therefore the more expensive of the two stones.
As far as I know Spanish gold has been the most expensive. Perhaps not the rarest but the most expensive