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2014-08-28 12:26:49

Book Two in The Chalcedony Chronicles is a Fast-Paced Time Traveling Adventure WORTHINGTON, Ohio, Aug. 28, 2014 /PRNewswire-iReach/ -- B. Kristin McMichael, the best-selling teen fiction author of The Blue Eyes Trilogy and To Stand Beside Her, is pleased to announce the paperback release of her latest novel, "Chrysoprase". Chrysoprase is Book Two in "The Chalcedony Chronicles", and picks up immediately where the first book, "Carnelian", leaves off. Photo -...


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28_a5eb67134d4fd71497d9b5906bb8a812
2005-05-25 18:55:31

Quartz is the second most abundant mineral in the Earth's crust. It has a hexagonal crystal structure made of trigonal crystallized silica (silicon dioxide, SiO2), with a hardness of 7 on the Mohs scale. Density is 2.6 g/cm³. The typical shape is a six-sided prism that ends in six-sided pyramids, although these are often distorted, or so massive that only part of the shape is apparent from a mined specimen. Additionally a bed is a common form, particularly for varieties such as amethyst,...

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Word of the Day
vermicular
  • Like a worm in form or movement; vermiform; tortuous or sinuous; also, writhing or wriggling.
  • Like the track or trace of a worm; appearing as if worm-eaten; vermiculate.
  • Marked with fine, close-set, wavy or tortuous lines of color; vermiculated.
  • A form of rusticated masonry which is so wrought as to appear thickly indented with worm-tracks.
This word ultimately comes from the Latin 'vermis,' worm.
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