About Iolite
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Keep reading to discover more about Iolite
- Mineralogy and geology*
- Metaphysical, Spiritual and Healing** Properties***
- Common Associations
Mineralogy and Geology of Iolite
Iolite is the name given to gem-grade, violet-blue cordierite.
Mineral formula: (Mg,Fe)2Al3(AlSi5O18)
Crystal system: Orthorhombic
Crystal habit: Short prismatic; granular to compact; or massive.
Cleavage: Good
Fracture: Uneven, conchoidal
Color: Shades of violet-blue, sometimes grey-ish
Luster: Vitreous
Diaphaneity: Transparent to translucent
Moh’s scale hardness: 7 – 7 ½
Streak: White
Specific gravity: 2.6 – 2.66
Named after: the Greek word for “violet,” sometimes it is called “water sapphire”
Geological occurrence: Most gem material occurs as water-worn pebbles. Apart from alluvial, occurs in a variety of environments, including altered aluminous and igneous rocks.
Spiritual, Metaphysical and Healing Properties
Crystal energy experts say iolite is one of the major stones for use in third-eye and crown chakras for healing, during guided meditations, and during astral travel. Iolite also helps to balance yin-yang energies and to release discord from one’s life. It supports enjoyment of the present moment and access to inner knowledge.
Common Associations
- Chakra – the third-eye and crown
- Numerology – vibrates to the number 7.
- Zodiac – Libra, Sagittarius and Taurus
- Birthstone – iolite is an alternative birthstone for September
- Wedding Anniversary – 21st
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* Mineralogical information is from mindat.org
** Always consult with your medical professional for any physical or long-term healing issues.
*** Metaphysical properties come from:
Love Is in the Earth (1995) Melody, Earth-Love Publishing House, 726 pp.
The Crystal Bible, A Definitive Guide to Crystals (2003) Judy Hall, Walking Stick Press, 399 pp.
Crystal Muse (2017) Heather Askinosie and Timmi Jandro, Hay House, 285 pp.
Crystal Gridwork (2018) Kiera Fogg, Weiser Books, 128 pp.