Gemstone, Definition, History, Types, & Facts

Gemstone, any of various minerals highly prized for beauty, durability, and rarity. A few noncrystalline materials of organic origin (such as pearl and amber) also are classified as gemstones. Of the more than 2,000 identified natural minerals, fewer than 100 are used as gemstones and only 16 have achieved importance.

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Gemstone Facts - The Silver Lady

Gemstones and Their Meanings Flyer – Grove and Grotto

Gemstone Facts - The Silver Lady

Gemstone Facts - The Silver Lady

20 Popular Gemstones and Their Meanings: What's Behind Their Color?

24 Gemstone Meanings: The Surprising Symbolism of Your Jewels

Gemopedia - Gemstone Encyclopedia

Gem Definition, Types & Properties