Watch Jewels
Back In 20 Years Ago
Entire World Expensive Swiss Watch Maker
Have To Buy " RUBY "
To Make
Recently,
Now We Can Make Synthetic Ruby
From Crystal Seed
https://m.youtube.com/
watch?v=EyiB5tWPCQk
watch?v=lzHqhNoyx2o
watch?v=7HknJK-jez0
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