Sapphire necklaces are beautiful pieces for ladies that make them glamorous and command great authority. These necklaces are ...

Automatic Sapphire collection, showcasing stunning coloured sapphires, exemplifies technicity, innovative design and ...

Here, precious stones, including dazzling diamonds, hypnotic blue sapphires and vibrant yellow sapphires, are combined with ornamental stones ... Its chemical composition gives it an exceptional score ...

Most diamonds found in jewelry stores run from colorless to near-colorless, with slight hints of yellow or brown. GIA’s color-grading scale for diamonds is the industry standard. The scale begins with ...

Seamlessly track your weight with one of the best smart scales on the market, tested and reviewed by our CNET health experts. I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the ...

Credit card writer Danyal Ahmed is an avid traveler, averaging about 100,000 aeronautical miles per year. He regularly applies that knowledge and his expertise in credit cards to his role as a credit ...

A color-change sapphire was recently submitted to the GIA lab in Carlsbad for an origin determination ... Its weak ruby spectrum displayed absorption lines in the red area between 660 and 695 nm, a ...

产品说明： 上海汇精亚纳米新材料有限公司 (活性)晶须硅在涂料中应用 晶须硅性能特点: 晶须硅硬度高、白度高、化学稳定性好、分散性好、熔点高、绝缘性好、烧失量低、抗沉淀性好，无毒、无气味，特别适用于陶瓷涂料、不粘涂料、氟涂料、耐高温涂料 ...

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