Figure 1. This specimen of dark blue tourmaline on micaceous matrix, from the Koksha Valley of Badakhshan Province in Afghanistan, measures 28 × 25 × 17 mm. Photo by Kevin Schmacher. Around a dozen ...
Quartz, sapphire and amethyst, aquamarine and tourmaline vector jewels set blue crystal stock illustrations Cartoon gem. Precious stones, colorful jewelry gems diamond and... Cartoon gem. Precious ...
This 3.28-carat Paraíba tourmaline's vivid violetish blue hue rivals the finest sapphires ... Cutters typically fashion these stones with the table parallel to the length of the crystal. Gems cut this ...
and blue. The color of the best Maine tourmalines rival tourmaline from world-famous localities in California, Brazil, and the Himalayas. Individual crystals range from opaque to transparent and may ...
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