Azurite, a.k.a. Chessylite, ancient Greek Kuanos, Latin Caeruleum
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| "Heating destroys azurite easily" - Wikipedia |
Blue Quartz
Eye Agate
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| Those shiny black rocks in gift shops that are magnetic and stick together? I'm pretty sure that's hematite. |
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| Used by the ancient Egyptians for scarabs. |
Moss Agate
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| "when cut in one direction it is jet black; in another it is glistening gray" - Wikipedia again |
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| A blue variant is called Hawk Eye. |
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