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Latest Corundum Stories

2014-07-02 23:05:23

July is ruby month and the LC is celebrating by showcasing their best rubies. Austin, TX (PRWEB) July 02, 2014 The ruby is the official birthstone of July and LC is excited to announce that they will be showcasing their best ruby collection all month long starting with their Royal Rubies TV event, beginning on Wednesday, July 2 from 12 p.m. to 8 p.m. CT. For thousands of years, the ruby has been considered one of the most valuable gemstones on Earth. It has everything a precious stone...

2014-02-10 23:24:43

A large selection of multiple stone mill units for food processing and grinding are available through Wohl Associates, Inc., experts in the food production machinery industry. Bohemia, NY (PRWEB) February 10, 2014 Wohl Associates has purchased several used stone mill units for food processing. The multiple units available may be viewed on the Wohl website and purchased through Wohl Associates. One such stone mill available through Wohl is the Fryma 250mm Corundum Stone Mill with a 30 KW...


Latest Corundum Reference Libraries

28_e16534ea8c7ef40ad332fe9c4acaa1a9
2005-05-26 11:05:25

Corundum is the crystalline form of aluminium oxide and one of the rock-forming minerals. Corundum is naturally clear, but can have different colors when impurities are added. Transparent specimens are used as gems, called ruby if red, while all other colors are called sapphire. The word corundum comes from the Hindi kurand. The oxygen atoms in corundum are arranged in a hexagonal close-packing, with the smaller aluminium atoms occupying 2/3 of the octahedral gaps. The coordination of the...

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Word of the Day
mallemaroking
  • Nautical, the visiting and carousing of sailors in the Greenland ships.
This word is apparently from a confusion of two similar Dutch words: 'mallemerok,' a foolish woman, and 'mallemok,' a name for some persons among the crew of a whaling vessel.