New to gemstones? Curious about the different kinds of gemstones? Check out our gemstones list and discover a world of precious and semi-precious stones.

2019年11月26日 · Precious stones were hard, rare, and valuable. The only "precious" gemstones are diamond, ruby, sapphire, and emerald. All other quality stones are called "semiprecious," even though they may not be any less valuable or beautiful.

A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, when cut or polished, is used to make jewelry or other adornments. [1][2][3] Certain rocks (such as lapis lazuli, opal, and obsidian) and occasionally organic materials that are not minerals (such as amber, jet, and ...

2023年4月13日 · Explore beautiful gemstones and fine jewelry at Blue Nile. In addition to learning about some of nature's finest gemstones in this article, explore our list of birthstones by month. If you like magic, specifically the magic of science, you …

A complete list of precious and semi-precious gemstones: Showing over 200 gemstone varieties, our gemstone index will help you find the perfect colored stone for your jewelry, collecting and crystal healing needs.

2024年5月6日 · Precious stones, also known as precious gemstones and precious gems, are naturally occurring minerals that possess notable beauty, rarity, and durability. Traditionally, only four gemstones in the world are considered precious: diamonds, sapphires, rubies, and emeralds.

GIA’s Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe. Each precious stone page features additional detailed gemological information, a buyer’s guide, photos, videos & research.

This is our complete guide to crystal meanings with over 100 different semi-precious stones and crystals, precious gems, minerals and their metaphysical symbolism, healing properties, powers, and spiritual meaning.

2020年6月9日 · The standard four precious gemstones aren’t the only beautiful gems. Plus, plenty of semi-precious stones are more valuable! Learn every precious and semi-precious gemstone and what sets them apart.

Precious stones are defined as visually appealing gemstones created from rocks or minerals. Often used for jewelry and fashion accents, this term was created in the mid-1800’s to refer to four specific stones; diamonds, rubies, emeralds, and sapphires.