Properties:
Dumortierite is extremely calming, and helps release worries and confusion, thereby strengthening self-confidence, especially when approaching a new project or endeavour. It acts like a strong breeze, blowing away the cobwebs, and bringing clarity through simplicity. Tasks are less of a burden, because simple solutions become more obvious, and the brain is no longer clogged with unnecessary thoughts or concerns, and we can trust that what we are doing is right. Most dumortierite contains boron – one of the mineral kingdom’s cleansers, so it also clears the chakras, while restoring balance throughout, especially in the immune system. Its strongest focus is on the Throat Chakra (no surprise, being blue), especially the thyroid, and can be used to treat thyroid conditions, whether over- or under-active. I’ve heard of its use to end martyr behaviour (as in putting others before yourself, even if doing so will be detrimental to you). I can understand how the general boost to self-confidence, as well as its ability to help us see simple solutions to problems, can help to release this behaviour pattern.

Attributes:

  • Chemical Formula: Al7BO3(SiO4)3O3
  • Group: Silicates – nesosilicates
  • Crystal System: Orthorhombic
  • Hardness: 7-8
  • Birthstone: Secondary birthstone for Leo
  • Chakra: Throat
  • Element: Air and Water

Mineralogy:
Dumortierite commonly occurs as fibrous radiating crystals or massive aggregates. It forms in boron-rich pegmatites, aluminium-rich metamorphic rocks, and through contact metamorphosis as the result of boron-bearing vapour released from intrusive granite. It is most often available as tumble stones in its blue massive form, but it also occurs in violet, pink, greenish-blue and brown. Bluer colouration is due to the substitution of included titanium for iron. Dumortierite is used in the manufacture of porcelain, and is also cut and set in jewellery (occasionally used as a substitute for lapis lazuli).

History and Tradition:
Dumortierite was first described in 1881 for an occurrence in Chaponost, France, and named in honour of the French palaeontologist Eugène Dumortier (1801-1876).

 

 

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