How much is a Malachite ring marked with MEXICO 925 worth?

Malachite is not a very expensive stone. If the ring is marked Mexico 925- it means its made in Mexico and the purity of metal is 92.5% silver (or to say its sterling silver). A regular retail price would be approx. read more

If the ring is marked Mexico 925- it means its made in Mexico and the purity of metal is 92.5% silver (or to say its sterling silver). A regular retail price would be approx. 30$ (manufacturing cost way lesser). read more

That means that it real sterling silver; the jewelry consists of 92.5 % pure silver and the rest is a type of alloy, usually copper. 925 is a mark to indicate purity of the silver. 22k refers to the amount of purity of gold alloys and it means that there is 91.67 percent pure gold. read more