were dramatically improved with beryllium diffusion. Demand has also been met by several new ruby deposits in the last decade. Mozambique has become the leading producer of gem-quality rubies since ...

Ruby in the RoughIts green surroundings showcase a ruby from Tanzania in its unpolished beauty. Rubies, valued as precious gems, are the mineral corundum in its red form. Perhaps the country best ...

作者：Walter Schumann, 272 页，精装，插图，出版方： Sterling Publishing，纽约，2013。 售价 24.95 美元 《世界宝石》(Gemstones of the World) （作者：Walter Schumann）于 1976 年首次以英文版面市，随后成为所有级别的宝石学家的人手一本的参考指南。 最新面世的第五版也不例外。

Pearls are found in the soft tissue of living mollusks, a contrast to most other gemstones that are dug up from deep within the earth. The curative power and the astrological power are quite ...

Radiant diamonds, sapphires, and rubies have been among the most coveted gemstones on the planet for ... “We get tourists ringing us for rough jet all the time, and the answer is always ...

Ruby is celebrated for its vibrant red hue and myriad benefits. Known as the 'King of Gems,' it boosts confidence and vitality, promotes passion and creativity, enhances motivation and drive ...

Gemfields earned $10.8 million (R190.7m) in revenue from its latest auction of commercial quality rough emeralds held from ...

“The IAEA has published safety standards that guide countries on authorization, regulation and justification of the manufacturing and sale of irradiated gemstones and other consumer products that ...

This Gal is a diamond in the rough that could use a little polishing. She’s a playful, friendly gal who would benefit from ...

Let’s look at some ideas for styling ruby jewelry with your outfits. Rubies are one of the most precious gemstones in the ...

很难用一个列表来描述 Ruby 与 C 或 C++ 代码的不同之处，因为差异相当大。其中一个原因是 Ruby 的运行时帮你做了很多工作。与 C 的“不隐藏内部机制”原则不同——Ruby 的关注点在于将繁重的工作交由运行时，使用者站在运行时的肩上，活的更轻松。除非或直到 ...

这是个不会超过20分钟的 Ruby 简介。阅读前请您先将 Ruby 安装好。（如果您还没有安装Ruby 的话请到 下载区下载并安装。） 刚才是怎么回事啊？难道我们刚写了世界上最短的 “Hello World” 程序吗？ 不是的。第二行显示的只是 IRB 给我们的上一个命令的返回值。