To: Red Badger
Star Trek’s transparent aluminum.
Sapphire is aluminum oxide
6 posted on
03/10/2025 8:57:20 AM PDT by
SauronOfMordor
(Either you will rule. Or you will be ruled. There is no other choice.)
To: SauronOfMordor
Monty Python:
“Tungston Carbide Drill ?”
To: SauronOfMordor
Sapphire is aluminum oxide...........with trace elements that give it the blue color.
Red ones are called rubies.
Take away the other impurities and it’s clear...........
11 posted on
03/10/2025 8:59:03 AM PDT by
Red Badger
(Homeless veterans camp in the streets while illegals are put up in 5 Star hotels....................)
To: SauronOfMordor
Still too expensive, at around $10/sq inch.
18 posted on
03/10/2025 9:02:56 AM PDT by
Jonty30
(I have invented blackened salmon salad by baking it in the oven for too long. )
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