安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- List of Gemstones: Precious and Semi-Precious Stones - Gem Society
Gemstone Encyclopedia Detailed information for any gemstone you are interested in
- Gemstone - Wikipedia
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
- Gemstone List - Names, Colors Types of Gems | GemSelect
Browse our gemstone list with names, colors, and types of gems Explore natural gems like ruby and sapphire at GemSelect for jewelry or collecting
- Gemological Institute Of America | All About Gemstones - GIA
Quick how-to guide for retailers to test gemstone fluorescence and help identify stones in their own stores A diamond’s journey towards the Earth’s surface can result in remarkably familiar shapes Discover the science behind some of the most popular phenomenal gemstones
- List of 24 Gemstones with Names, Colors, Pictures - Petra Gems
Gemstones have played numerous roles in the myths and tales of human societies throughout history Although some are believed to have unique powers, each shares a typical beauty, distinct with a unique color, birthplace, and story
- Gemstones: Facts, photos, and information for over 100 gems.
Emerald is the most popular green gemstone in the United States and most of the world
- The Gemstone Encyclopedia Identification Guide — GemFYI
Explore 400+ gemstones, birthstones, origins, and expert guides Free identification tools, property comparisons, and buying advice in 15 languages
- Gemstone | Definition, History, Types, Facts | Britannica
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
|
|
|