Mineralape
Simonkolleite
Henk Smeets – tomeikminerals.com·CC BY 4.0·Wikimedia

Simonkolleite

Zn5Cl2(OH)8·H2O
IMA approved

Simonkolleite is a rare hydrated zinc chloride hydroxide mineral with the chemical formula Zn5Cl2(OH)8·H2O. It belongs to the Strunz classification 3.DA.20 and is part of the hydroxide mineral group. This mineral crystallizes in the monoclinic crystal system and is typically found in small, prismatic or fibrous crystals. It exhibits a vitreous luster, a white to pale green color, and a relatively low hardness of approximately 2.5 on the Mohs scale. Its density is moderate, and it is generally translucent to opaque. Simonkolleite is notable for its unique chemical composition and is primarily of interest to mineral collectors and researchers.

Composition

Composizione (% in peso)
Zn
O
Cl
  • ZnZinc59.2%
  • OOxygen26.1%
  • ClChlorine12.8%
  • HHydrogen1.8%

Overview

Simonkolleite is a rare hydrated zinc chloride hydroxide mineral with the chemical formula Zn5Cl2(OH)8·H2O. It belongs to the Strunz classification 3.DA.20 and is part of the hydroxide mineral group. This mineral crystallizes in the monoclinic crystal system and is typically found in small, prismatic or fibrous crystals. It exhibits a vitreous luster, a white to pale green color, and a relatively low hardness of approximately 2.5 on the Mohs scale. Its density is moderate, and it is generally translucent to opaque. Simonkolleite is notable for its unique chemical composition and is primarily of interest to mineral collectors and researchers.

Etymology

Named after duo.

How to recognize it

Simonkolleite can be identified by its low hardness of about 2.5 on the Mohs scale, which makes it easily scratched by a copper coin or a knife. It typically exhibits a white to pale green color and a vitreous luster. A streak test may reveal a white streak. Due to its rarity and softness, it is not commonly confused with other minerals, though its appearance may resemble other soft hydroxides or hydrated salts.

Indicative prices

Simonkolleite is a rare mineral and is seldom available on the commercial market. When found, it is typically sold as a specimen rather than for gem or jewelry use. Indicative prices for high-quality specimens may range between EUR 100–500, depending on origin, clarity, and rarity. Prices vary by source and are highly influenced by the mineral's aesthetic appeal and completeness.

Spiritual meaning and crystal therapy

Mantra
Emotional peace flows through me.

Spiritual meaning

Simonkolleite is a rare and gentle stone, symbolizing emotional clarity and inner peace. It is traditionally associated with soothing energies and a calming presence, helping one connect with their true self and higher wisdom.

Esoteric properties

Simonkolleite is said to promote emotional balance and inner harmony. It is associated with calming the mind, supporting emotional healing, and enhancing spiritual awareness. This stone is believed to encourage patience and understanding in times of stress.

Associated chakra

Simonkolleite is traditionally linked to the heart chakra due to its soothing energy, aiding in emotional healing and compassion. It may also resonate with the crown chakra, supporting spiritual connection and clarity.

Crystal therapy use

In crystal therapy, simonkolleite is often placed on the heart or held during meditation. It can be worn as jewelry to keep its calming influence close to the body and used in layouts to support emotional well-being.

Information on crystal therapy is provided for cultural and traditional purposes only. It does not replace medical advice or treatment. Always consult a doctor for health issues.

Affirmations

Positive first-person sentences to repeat mentally or aloud while holding the crystal, during meditation or at the start of the day. They help focus intention and attune to the energy traditionally attributed to the stone.

  • I am calm and centered.
  • I release emotional tension.
  • I embrace inner peace.

Cleansing and recharging

Pulizia & Ricarica

To cleanse simonkolleite, use moonlight or gentle smudging with sage. Avoid direct sunlight and water, as it is sensitive to both. Place it on a windowsill during a full moon for safe recharging.

Guided meditation

Sit comfortably and hold simonkolleite in your hands. Breathe deeply, allowing its energy to flow. Focus on your heart chakra, visualizing a warm light that brings emotional calm and clarity.

Body placement

Posizionamento sul corpo

Place simonkolleite over the heart chakra to support emotional healing and inner balance. It can also be placed near the crown chakra to enhance spiritual awareness and connection.

  • Corona
  • Terzo occhio
  • Gola
  • Cuore
  • Plesso solare
  • Sacrale
  • Radice

Feng Shui

In feng shui, simonkolleite is best placed in the southeast sector for wealth and abundance, and in the southwest for love and relationships. Its calming energy supports harmony and emotional balance in these areas.

Pairings with other crystals

Simonkolleite pairs well with rose quartz for emotional healing and with amethyst for enhanced spiritual awareness. Together, they support heart-centered growth and inner peace.

Crystal bath

Not recommended for direct water immersion — instead place the stone NEXT to the bathtub or use indirect elixir method.

Frequently asked questions

Yes, simonkolleite is considered a rare mineral, with limited occurrences in nature.