GIA researchers theorize that the color in many pink diamonds is caused by color centers that can selectively absorb light in the visible region of the spectrum. Color centers are the result of ...
Pink cocaine, also known as "tusi," is a powdered drug mixture that is often dyed pink and may have a sweet scent. Despite its name, it rarely contains actual cocaine. Tusi originally was made to ...
Over the last two years, the price of one-carat natural diamond has fallen by 26 per cent to a low of $3,923.83 (Rs 3.39 lakh) last month. Meanwhile, lab-grown diamonds, have seen an even steeper ...
Recent and archival articles, essays, photographs, videos, infographics, writing prompts, lesson plans and more. By The Learning Network We asked students, “What are you thinking and feeling ...
When it comes to choosing the perfect gemstone for an engagement ring, many couples are exploring alternatives to traditional diamonds. Enter moissanite, a dazzling gemstone that offers ...
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