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December Birthstone

Tanzanite

Transformation, wisdom, and truth

Month
December
Colours
Deep blue to violet-blue
Alternative stones
Blue Topaz, Turquoise, Zircon

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Tanzanite Meaning & Symbolism

Tanzanite is associated with transformation, spiritual awareness, and the unveiling of inner truth. Its mesmerizing blue-violet hue is believed to bridge the gap between the physical and spiritual realms.

History & Origins of Tanzanite

Tanzanite is one of the newest gemstones in the jewellery world, discovered in 1967 by Maasai herders near Mount Kilimanjaro in Tanzania — the only place on Earth where it is found. Tiffany & Co. recognised its potential and launched a major campaign in 1968, naming it after its country of origin.

The stone's vivid blue-violet colour, which can rival fine sapphire, comes from the mineral zoisite. In 2002, the American Gem Trade Association added tanzanite as an official December birthstone, making it the first stone to be added to the modern birthstone list since 1912.

Alternative December Birthstones

Some months have more than one traditional birthstone. For December, wearers may also choose: Blue Topaz, Turquoise, Zircon. Each carries its own meaning and aesthetic — explore our full birthstone collection to compare.

Who Should Wear Tanzanite

Tanzanite is the birthstone for December and an exceptional choice for those seeking a rare, contemporary gemstone with deep colour and meaning. It looks stunning in white gold and platinum settings. Tanzanite is the traditional 24th wedding anniversary gemstone.

Caring for Tanzanite Jewellery

  • Clean with warm, soapy water and a soft cloth only
  • Never use ultrasonic or steam cleaners
  • Protect from sharp impacts and sudden temperature changes
  • Store separately in a soft pouch away from harder gems

Tanzanite Frequently Asked Questions

What does tanzanite symbolise?
Transformation, wisdom, spiritual awareness, and truth. It is believed to help the wearer access deeper levels of consciousness.
Is tanzanite found anywhere besides Tanzania?
No. Tanzanite is mined exclusively in a small area near Mount Kilimanjaro in Tanzania, making it approximately 1,000 times rarer than diamond.
Is tanzanite durable enough for rings?
Tanzanite is best suited for pendants and earrings, or rings worn with care in protective settings.
Does tanzanite change colour?
Yes. Tanzanite is pleochroic, meaning it shows different colours — blue, violet, and burgundy — when viewed from different angles. Skilled cutting maximises the blue-violet appearance.
Which anniversary is tanzanite for?
Tanzanite is the traditional 24th wedding anniversary gemstone.