Group of precious and semiprecious stones—both uncut and faceted—including (clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster. …

Ruby and Sapphire are the 2nd and 3rd most popular colored stones in the United States.

Gem Encyclopedia is a virtual journey through the science and lore of Gemstones from across the globe. Each Gem page features Gemological Information, a Buyer’s guide, photos, videos & …

Learn about the stone’s meaning and uses in this complete guide! Coral is a white, red, or pink organic material called “Precious coral” as a gemstone. Among the oldest gems, jewelry uses …

Gemstone List: A Complete Gemstones List with Images. Our gemstone list features over 200 precious and semi-precious varieties, a comprehensive index to find the ideal colored stone. …

4 days ago · Of the more than 2,000 identified natural minerals, fewer than 100 are used as gemstones and only 16 have achieved importance. These are beryl, chrysoberyl, corundum, …

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.

Dec 18, 2025 · The Rolling Stones have opted out of a stadium tour in the U.K. and Europe.

While traditional stones like diamonds and sapphires are popular, exploring semi-precious gemstones can offer unique colors and styles at a more accessible price.

Apr 4, 2025 · Kidney stones are hard objects made of minerals and salts in urine. They form inside the kidneys. You may hear healthcare professionals refer to kidney stones as renal …