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Diamond

Published on Nov 18, 2015

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PRESENTATION OUTLINE

1.

DIAMOND

CURTISHA BROWN
Photo by cobalt123
2.

Chemical formula: C
A diamond is entirely a carbon.
A diamond is covalent.

3.

PROPERTIES/CHARACTERISTICS

  • Streak: white
  • Color: steel gray, white, blue, yellow, etc.
  • Crystal system: isometric
  • Transparency: transparent to opaque
  • Specific gravity: 3.1-3.53
4.

CONT.

  • Hardness: hardest known natural material on Earth
  • Luster: adamantine, rough stones have a greasy luster.
  • Cleavage: 1, all sides - octahedral
  • Fracture: conchoidal
  • Tenacity: brittle
5.

CONT.

  • Varieties: chocolate diamond, pink diamond, champagne diamond, etc.
  • Other identifying marks: has a cold feel and commonly fluorescent in shortwave ultraviolet light
6.

USES

  • Diamond membranes are durable, resistant heat, and transparent, making them highly useful.
7.

HISTORICAL INFORMATION

  • Discovery: diamonds were discovered in India in 4th centuryB.C.
  • Historical significance: Diamonds were believed to have been used as a healing stone.
8.

Untitled Slide

  • Location: Diamonds are world wide.
  • They are mined and crushed, to the time they are sewed, cut and polished.
9.

IF A DIAMOND IS A 0.50 CARRAT IT WOULD BE $1,400. THE PRICES GO UP AS YOU JUMP TO HIGHER CATEGORIES.

10.

CITES

Photo by jurvetson

Tootie Brown