Month 10
October birthstone.
Traditional pairing: Opal, Tourmaline. Below, the entries we have written so far, plus deeper guides where they exist.

Black Tourmaline
A dense black silicate traditionally used as a protective and grounding stone. The piece practitioners keep by the door, the desk, or the bed.
Read the reference
Opal
A hydrated silica that produces play-of-colour through pure structural diffraction, traditionally the October birthstone and a stone of imagination.
Read the reference
Looking for a October birthstone piece?
We hand-arrange birthstone pieces through Instagram. Send a note and we will share what we have in studio.
Preview the message
Hi AU Crystals, I was reading your October birthstone page (aucrystals.com/birthstones/october). I wanted to ask about a opal piece.
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