About Staurolite

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Keep reading to discover more about staurolite

  • Mineralogy and geology*
  • Metaphysical, Spiritual and Healing** Properties***
  • Common Associations

Mineralogy and Geology of Staurolite

Mineral formula: Fe2+2Al9Si4O23(OH)

The formula can also be considered as alternating layers of kyanite and oxide, and so can be recast as:

Member of the Staurolite group

Crystal system: monoclinic

Crystal habit: elongated prisms; twinning is common, especially 60-degree twins on {231}. Twinning on {031} at 90-degrees is rare.

Cleavage: distinct/good on {010}

Fracture: sub-conchoidal

Color: dark brown, brownish-black, red-brown

Luster: sub-vitreous, resinous

Diaphaneity: opaque

Moh’s scale hardness: 7 – 7 ½

Streak: white to grayish

Specific gravity: 3.74 – 3.83

Named after: the Greek word "stavros", cross, alluding to the cruciform twins it displays in some cases.

Geological occurrence: in regionally metamorphosed rocks, especially micaceous schists.


Spiritual, Metaphysical and Healing Properties

Staurolite is considered a stone of good luck, facilitating actions of prayers and rituals that are for the highest good of all beings. They also support alignment, balancing and communication between physical and spiritual aspects of an individual’s beingness. Staurolite assists with stress, depression, and addictions. It is a grounding stone, supporting the health of the base chakra.

Common Associations

  • Chakra – root
  • Numerology - vibrates to the number 5
  • Zodiac – Pisces
  • Birthstone – none traditional
  • Wedding Anniversary – none traditional


* 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.