In 9 Karat gold, there is 9 parts of gold and 15 parts of other metals used as alloys to make it stronger.
_________________________________________________________________
for clarification that means...
9k = 37.5% gold
Other purities...
Gold Purity
24kt gold = 100.00%
22kt gold = 91.60%
18kt gold = 75.00%
14kt gold = 58.5%
10kt gold = 41.7%
9kt gold = 37.5%
75
Gold earrings in 9carat are fairly cheap. They are cheaper because there is more metal than there is gold in the metal. They run from about $10.00 to $25.00 per pair.
MH aswel as 375, I expect the 375 indicates 9carat, I was sold this ring saying it was white gold, but just got given a white gold 10carat ring, and the difference in colour is quite noticable, the MH 375 is more yellow.
10 carat gold contains 41.7% pure gold. Pure gold is 24 carat. 10/24 = .416666
No, 9-carat gold should not attract a magnet because gold itself is not a magnetic metal. The presence of other metals in the alloy of 9-carat gold, such as copper and silver, may not have enough magnetic properties to make it noticeably attracted to a magnet.
Percentage Of Gold in 14 karat is 58.33 %
karat means the percentage of real gold in the piece The Karat mark indicates the percentage of pure gold in the piece 24K is 100% gold, 18K is 75% gold, 14K is 58.3% gold, 10K is 41.7% gold. The rest of the metal is made of a blend (alloys) of other metals that give it strength and durability. These include copper, silver, nickel and zinc.
22k gold is composed of 91.67% gold, with the remaining 8.33% made up of other metals like silver and copper.
13k gold contains 54.2% gold content.
585 is a common term for 14K 14K is actually 14 parts gold and 10 parts other metals. This actually comes out to 58.33% pure, but it is commonly referred to as 585. Similarly, 18K Gold may be stamped 18K or 750 20K Gold may be stamped 20K or 833
Fool's gold isn't actually gold at all. It's actually a mineral called pyrite.
To convert fineness into the percentage of gold, you simply multiply the fineness by 100. For example, if the fineness of a gold alloy is 750, this means it is 750 parts gold per 1,000 parts total, which translates to 75% gold content. Therefore, the formula is: Percentage of Gold = (Fineness / 1000) × 100.