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Birthstones
October birthstone: Opal
The birthstone for October is opal. The full list is opal and tourmaline. Opal shows a play of colour from tiny silica spheres. Tourmaline grows in more colours than almost any other gem. Opalite is a man-made glass, not opal.
October birthstones at a glance
- Opal
- Tourmaline: traditionally linked with compassion and balance; October birthstone
- Opalite: traditionally linked with gentle transitions; a made glass, not a natural opal
Where birthstone lists come from
The idea of a stone for each month goes back to the twelve stones on the breastplate of the Jewish high priest, described in the Book of Exodus. The modern list was set by the American National Association of Jewelers in 1912, and Britain's National Association of Goldsmiths published its own list in 1937. That is why some months have more than one stone.
October star signs
October birthdays fall under Libra (23 September – 22 October) and Scorpio (23 October – 21 November), so a sign stone is another gift option.
Gift ideas at every price
- Under £10: a tumbled opalite or opal in a pouch with a card.
- £10–£30: a pendant, bracelet or point in the birthstone colour.
- £30 and over: a sphere, a larger point or a set with a candle and incense. Orders over £40 travel free.
Care
Hard stones (7 and above on the Mohs scale) can be washed in warm soapy water. Softer and porous stones need a dry cloth only. Each stone page gives specific care.
October birthstone gifts in stock
Questions answered
What is the October birthstone?
Opal and tourmaline.
What colour is the October birthstone?
Opal shows a play of colour from tiny silica spheres.
Is there a cheaper alternative to opal?
Yes: tourmaline and opalite give a similar look or tradition at a lower price.
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