Exodus 24:10

10and they asaw the God of Israel. There was under his feet as it were a pavement of bsapphire stone, like the very heaven for clearness.

Isaiah 54:11

11 c“O afflicted one, storm-tossed and not comforted,
behold, dI will set your stones in antimony,
eand lay your foundations with sapphires.
Or lapis lazuli

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