Sapphire Glass

Sapphire (Greek: σάπφειρος; sappheiros, 'blue stone', which probably referred instead at the time to lapis lazuli) is a gemstone variety of the mineral corundum, an aluminium oxide (α-Al2O3). Trace amounts of other elements such as iron, titanium, chromium, copper, or magnesium can give corundum blue, yellow, purple, orange, or a greenish color. Chromium impurities in corundum yield a pink or red tint, the latter being called a ruby.Commonly, sapphires are worn in jewelry. Sapphires may be found naturally, by searching through certain sediments (due to their resistance to being eroded compared to softer stones) or rock formations.
Posts about Sapphire Glass
  • Apple News: iPhone 6, Apple Watch, Apple Pay and More!

    … and a copious quantity of pixels per inch: 401 ppi for the 6 Plus and 326 ppi for the 6. Under the hood both phones have an advanced A8 processor, which is smaller and faster than the iPhone 5s A7 processor. The phones also come with an M8 processor that registers the motion of the phone. The M8 can detect both distance and elevation, making the 6 and 6…

    Carolyn Nicander Mohr/ The Wonder of Tech- 18 readers -
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