About Aurichalcite

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

Mineralogy and Geology of Aurichalcite 

Mineral formula: (Zn,Cu)5(CO3)2(OH)6

Crystal system: monoclinic

Crystal habit: radiating masses of acicular crystals

Cleavage: Perfect on {010} and {100}.

Fracture: irregular, uneven

Color: pale green, sky blue, greenish-blue

Luster: silky, pearly

Diaphaneity: transparent

Moh’s scale hardness: 1 - 2

Streak: light blue

Specific gravity: 3.96

Named after: “Aurichalcum” means mountain copper. in 1839, Böttger named the mineral for its copper and zinc content, the constituents of brass.

Type locality: Loktevskoye Mine, Upper Loktevka River, Altai Krai, Russia

Geologic occurrence: A secondary mineral in copper and zinc deposits, aurichalcite is typically found as blue or green crusts or mats of tiny acicular crystals, often as feathery, tufted, drusy coatings.

Spiritual, Metaphysical and Healing Properties

Aurichalcite is a soothing stone, and enhances courage, in particular the knowing that the only thing to fear is fear itself. This brings greater inner harmony and personal courage, promoting the freedom to think and create for yourself and to share your originality.

Common Associations

  • Chakra – throat and third eye
  • Numerology - vibrates to the number 2
  • Zodiac – Aquarius
  • 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.