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EMERALD

EMERALD. By Austin Milne. Properties. Color: Green Class: Crystal Streak: none Hardness: 8 Cleavage: Poor Crystal System: Hexagonal. Chemical Composition . Beryllium(Be) 3 Aluminum(Al) 2 Silicon(Si) 6 Oxygen(O) 18. Emeralds are commonly found in Columbia Brazil and Zambia.

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EMERALD

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  1. EMERALD By Austin Milne

  2. Properties • Color: Green • Class: Crystal • Streak: none • Hardness: 8 • Cleavage: Poor • Crystal System: Hexagonal

  3. Chemical Composition • Beryllium(Be) 3 • Aluminum(Al) 2 • Silicon(Si) 6 • Oxygen(O) 18

  4. Emeralds are commonly found in Columbia Brazil and Zambia. • They are not found in the US.

  5. Mining and Processing • Emeralds can be extracted by pit mining or tunneling under-ground. • It is then cleaned and used for jewlery.

  6. Value • One Carrot=5000$

  7. Uses • Can only be used as Gem stone for jewelry. • Too weak for tools.

  8. Pictures

  9. Minerals vs. Gems • Gems are minerals that form in a uniform structure.

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