About Hemimorphite

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Keep reading to discover more about hemimorphite

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

Mineralogy and Geology of Hemimorphite

Mineral formula: Zn4Si2O7(OH)2 · H2O

Crystal system: orthorhombic

Crystal habit: Thin tabular crystals, sheaf-like or fan-like aggregates, stalactitic, mammillary, botryoidal.

Cleavage: perfect on {110}, poor on {101}, {001} rare

Fracture: irregular/unevent, sub-conchoidal

Color: colorless, white, pale blue, pale green, grey or brown

Luster: sub-adamantine, vitreous, sub-vitreous, greasy, silky, pearly

Diaphaneity: transparent, translucent

Moh’s scale hardness: 4 ½ - 5

Streak: white

Specific gravity: 3.475

Named: in 1853 by Adolph Kenngott in allusion to the hemimorphic morphology of the crystals. Many names were previously assigned to this species, including calamine. Hemimorphite was chosen by the International Mineralogical Association, over calamine, in 1962.

Type locality: Băiţa mining district (Băiţa Bihor), Nucet, Bihor, Romania

Geological occurrence: Secondary mineral in the weathered portions of zinc deposits.


Spiritual, Metaphysical and Healing Properties

Hemimorphite is known for assisting with taking responsibility for oneself, for manifestation of practicality, and for relieving feelings of hostility and anger. It’s a wonderful stone for self-transformation.

Common Associations

  • Numerology - vibrates to the number 4
  • Zodiac – Libra
  • Birthstone – no traditional association
  • Wedding Anniversary – no traditional association


* 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