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Optical Properties of Gemstones

Optical Properties of Gemstones

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GEOLOGY 115. OPTICAL PROPERITES OF GEMS. Optical properties are those which are related to the behavior of light, on, or in, a gemstone. Some of these can be seen, and even quantified, with the naked eye alone. Three such characteristics are: luster, transparency, and color. The study

Port Manteaux Word Maker

Port Manteaux Word Maker

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Port Manteaux churns out silly new words when you feed it an idea or two. Enter a word (or two) above and you'll get back a bunch of portmanteaux created by jamming together words that are conceptually related to your inputs.

10 Quick Facts About Cobalt | Mental Floss

10 Quick Facts About Cobalt | Mental Floss

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Test your knowledge with amazing and interesting facts, trivia, quizzes, and brain teaser games on

Glossary of Water Resource Terms

Glossary of Water Resource Terms

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Glossary of Water Resource Terms. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A abandoned water right a water right which was not put to beneficial use for a number of years, generally five to seven years.

A review on the utilization of fly ash

A review on the utilization of fly ash

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The principal components of bituminous coal fly ash are silica, alumina, iron oxide, and calcium, with varying amounts of carbon, as measured by the loss on ignition (LOI).