Tourmaline
Energetically: Tourmaline is a stone of protection, balance, and energetic harmony. Found in a remarkable spectrum of colours, it symbolises versatility and alignment across mind, heart, and spirit. Often associated with grounding and emotional stability, Tourmaline supports healthy boundaries while encouraging compassion and open awareness. It invites equilibrium and resilience, helping you remain centred amid life’s fluctuations. Dynamic and protective, Tourmaline embodies strength balanced with sensitivity, assisting to align energies.
Mythology & Historical Lore: Tourmaline has been known since the 16th century and was prized in Sri Lanka, where it was referred to as turmali, meaning “mixed stones,” due to its wide colour range. In legend, tourmaline was said to travel along a rainbow, gathering its many colours. It has long symbolised protection, balance, and vitality.
Birthstone: Tourmaline is a modern birthstone for October.
Major Sources: Brazil, Afghanistan, Pakistan, Madagascar, Mozambique, United States (California & Maine).
Treatment Disclosure: Some tourmalines may be heat‑treated to enhance colour. Irradiation may be used in certain pink or red varieties. Many specimens are untreated.
Gemmology & Geological Profile: Tourmaline is a complex borosilicate mineral group known for its extraordinary colour diversity. It forms in granitic pegmatites and metamorphic rocks and may exhibit colour zoning within a single crystal.
| Property | Description |
|---|---|
| Mineral Family | Borosilicate |
| Chemical Formula | Complex variable composition |
| Mohs Hardness | 7 – 7.5 |
| Crystal System | Trigonal |
| Lustre | Vitreous |
| Formation | Forms in pegmatites and metamorphic rocks |
| Notable Features | Wide colour range; colour zoning common |