Replies

1 posted on 03/20/2013 2:47:11 PM PDT by LibWhacker

To: LibWhacker

To make the sapphire, aluminum oxide is melted down in a specialized furnace and then allowed to slowly cool to form a large crystal.

Transparent Aluminum!!!

2 posted on 03/20/2013 2:50:45 PM PDT by thackney (life is fragile, handle with prayer)

To: LibWhacker

130 Kg sapphire? Where do I get a setting for a 650,000 karat stone?

4 posted on 03/20/2013 3:58:02 PM PDT by muir_redwoods (Don't fire until you see the blue of their helmets)

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