Geology field trip

Geology field trip - Geology field trip Joe Gallant 1. All...

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Geology field trip Joe Gallant 1. All of the Earth’s treasures cam from about 4.6 billion years ago 2. Miners found a room sized cavity lined with quartz a. They had lots of space to grow to enormous sizes 3. N/A 4. Henry Phillip Hope bought the diamond. a. It was mined in India b. The diamond is over a billion years old 5. The gneiss is 1.1 billion years 6. The concentrations were discovered in sand quarry in fontaine bleau France National Gem Collection 1. The bubbles are imprints of albite crystals. 2. For crystal to become a gemstone it must be cut and polished. 3. About one thousand minerals can be cut into gemstones. 4. Gemstones are weighed in carats a. This name comes from the carob, a name of a tree in the Mediterranean. 5. Corundum forms when heat and pressure alter limestone overtime. 6. Diamonds can be colored by defects in their atomic arrangement. 7. The Gachalo emerald was named after the mining district it was found in. 8. Diamonds sparkle because of how they separate light and colors in a way that produces the “internal fire” of a diamond. a. The majority of diamonds originate in Brazil, Ghana, DR Congo, Namibia, Botswana, South Africa, Russia, China, and Australia 9. The Oppenheimer Diamond is unique because of its size and the fact that it has remained uncut. Eberly Mineral and Gem Gallery 1. The mural is a representation of a salt crystal. 2.
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This note was uploaded on 04/18/2008 for the course GEOL 101 taught by Professor All during the Fall '08 term at George Mason.

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Geology field trip - Geology field trip Joe Gallant 1. All...

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