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(Redirected from Gemstone)
Some gemstones.

Jewels (or gems or gemstones) are rare minerals. They usually come in colours and sizes. They begin in a rough rock form, but can be cut and polished to turn into a jewellery.

However, some other non-mineral rocks (such as lapis lazuli) or organic materials can also be also used for jewelry and are called gemstones. These include amber or jet. Pearls and coral are sometimes also called gemstones.

Most gemstones are hard. Soft minerals are used in jewelry too, because of their luster that gives them value.

Being rare or in short supply also makes a gemstone valuable.

History[change | change source]

The Ancient Greeks began to decide which gems are precious and semi-precious. This continued in other cultures.

In modern times, the precious stones are diamond, ruby, sapphire and emerald, with all other gemstones being semi-precious.[1]

Types[change | change source]

References[change | change source]

  1. Bauer, Max (1968). Precious Stones: A Popular Account of Their Characters, Occurrence, and Applications, with an Introduction to Their Determination, for Mineralogists, Lapidaries, Jewellers, Etc. With an Appendix on Pearls and Coral. Dover Publications. p. 2. ISBN 978-0-486-21910-3.

Other websites[change | change source]