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| 首页 >> 交流区 >> 论坛主区 >> 珠光宝气 >> 查看帖子 |
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| [img]http://www.johnbetts-fineminerals.com/jhbnyc/gifs/28825.gif[/IMG] Diamond (2.70 carat spherical crystal), Brazil (t) [img]http://www.johnbetts-fineminerals.com/jhbnyc/gifs/25907.gif[/IMG] Diamond (12.53 carat crystal cluster), Democratic Republic of the Congo (Zaire) (t) [img]http://www.johnbetts-fineminerals.com/jhbnyc/gifs/29124.gif[/IMG] Diamond (2.34 carat spherical crystal), Brazil (t) [img]http://www.johnbetts-fineminerals.com/jhbnyc/gifs/29122.gif[/IMG] Diamond (1.68 carat spherical crystal), Brazil (t) [img]http://www.johnbetts-fineminerals.com/jhbnyc/gifs/29123.gif[/IMG] Diamond (2.19 carat spherical crystal), Brazil (t) |
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| 接着来其他的！ [img]http://www.johnbetts-fineminerals.com/jhbnyc/gifs/30559.jpg[/IMG] Diamond (0.88 carat hexoctahedral crystal). [img]http://www.johnbetts-fineminerals.com/jhbnyc/gifs/30190.jpg[/IMG] Diamond (0.45 carat yellow octahedral crystal) [img]http://www.johnbetts-fineminerals.com/jhbnyc/gifs/28961.jpg[/IMG] Diamond (0.53 carat red-brown elongated crystal) [img]http://www.johnbetts-fineminerals.com/jhbnyc/gifs/30284.jpg[/IMG] Diamond (0.28 carat flat green crystal) [img]http://www.johnbetts-fineminerals.com/jhbnyc/gifs/29116.jpg[/IMG] Diamond (0.93 carat parallel crystal cluster) [img]http://www.johnbetts-fineminerals.com/jhbnyc/gifs/29705.jpg[/IMG] Diamond (0.90 carat yellow-green irregular crystal) [img]http://www.johnbetts-fineminerals.com/jhbnyc/gifs/30281.jpg[/IMG] Diamond (1.20 carat yellow dodecahedral crystal) [img]http://www.johnbetts-fineminerals.com/jhbnyc/gifs/28078.jpg[/IMG] Diamond (4.60 carat complex crystal) |
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| 哇^^b 圆的钻石耶~~是比较少见 据说以色列有人掌握了钻石圆球的[color=blue]抛光技术[/color]~按说切磨出一个圆球形钻石在技术上还是可行的，但这种球怎么抛光呢，偶不得其解^^bb |
| 滚筒抛光?^^不过要是这样岂不是要用钻石做磨料和填料! |
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