death to diamonds: the amazing journey! michelle adlong and kelsey childress ch 226h spring ‘007
TRANSCRIPT
Death to Diamonds:
the amazing journey!
Michelle Adlong and Kelsey ChildressCH 226H Spring ‘007
What???
The LifeGem company will create diamonds out of your dead (or even live) relatives
One human body has enough carbon to form 100 gems at 1 carat each
$$$$! Person can have been dead for
hundreds of years, i.e. Beethoven
Allotropes of Carbon
Amorphous Graphite
Diamond Fullerenes
Graphite vs. Diamond
Graphite One of the softest
materials known Good conductor Lubricant Opaque Hexagonal crystal
structure (sheetlike)
Diamond Hardest material
known Electrical insulator Abrasive Transparent Isometric crystal
structure (3-D)
Synthetic vs. Natural Diamonds
Molecularly identical to each other Synthetics available in more colors 80% of natural diamonds are used in industry Natural industry dominated by De Beers
company; watch out where they come from. Prices result of capitalism.
Synthetic made by HPHT, CVD Distinguishing: electron microscope, UV
spectrometers, x-ray diffraction
1) Cremated remains graphite Purification at very high temps
2) Graphite Diamond “Thermal gradient method” Pressures ~~ 50,000 atm 1,600 ° – 2,000° C The longer the time in the diamond press, the
larger the diamond The entire process takes 6 - 9 months Companies are closed-mouthed about exact
“recipe”
The Life Gem Process
The End
So next time a dearly beloved becomes deceased, consider diamond-ation with LifeGem, and…
Always remember “a diamond is forever!”