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Orschallite
Henk Smeets – tomeikminerals.com·CC BY 4.0·Wikimedia

Orschallite

Ca3(S4⁺O3)2(SO4)·12H2O
heart IMA approved

Orschallite is a rare hydrated calcium sulfate mineral with the chemical formula Ca3(S^4⁺O3)2(SO4)·12H2O. It is classified in the Strunz system as 4.JE.15. This mineral belongs to the monoclinic crystal system and is characterized by its white to pale yellow color, vitreous luster, and low hardness of approximately 2 on the Mohs scale. It has a relatively low density and is typically found in evaporite environments. Orschallite is notable for its complex chemical structure, which includes both sulfite and sulfate groups, making it a unique member of the sulfate mineral group.

Composition

Composizione (% in peso)
O
Ca
S
  • OOxygen59.4%
  • CaCalcium20.3%
  • SSulfur16.2%
  • HHydrogen4.1%

Overview

Orschallite is a rare hydrated calcium sulfate mineral with the chemical formula Ca3(S^4⁺O3)2(SO4)·12H2O. It is classified in the Strunz system as 4.JE.15. This mineral belongs to the monoclinic crystal system and is characterized by its white to pale yellow color, vitreous luster, and low hardness of approximately 2 on the Mohs scale. It has a relatively low density and is typically found in evaporite environments. Orschallite is notable for its complex chemical structure, which includes both sulfite and sulfate groups, making it a unique member of the sulfate mineral group.

Etymology

Orschallite is named after P. Orschall, in recognition of their contribution to mineralogy. The mineral was officially approved by the IMA.

How to recognize it

Orschallite can be identified by its low hardness of 2 on the Mohs scale, white to pale yellow color, and vitreous luster. It is typically soft enough to be scratched with a fingernail. The mineral has a low density and does not exhibit a distinct streak. Due to its rarity and softness, it is not commonly confused with other minerals, though its appearance may resemble other evaporite minerals.

Trivia

Orschallite is notable for its unusual chemical composition, which includes both sulfite and sulfate groups. It is one of the few minerals that incorporate the S^4⁺ oxidation state of sulfur. Additionally, its low hardness and complex hydration make it a rare and scientifically interesting mineral.

Spiritual meaning and crystal therapy

Mantra
Heart and mind in harmony

Spiritual meaning

Orschallite is a rare and enigmatic stone, symbolizing transformation and spiritual awakening. It is traditionally associated with deep inner exploration and the unlocking of hidden truths.

Esoteric properties

Orschallite is said to enhance intuition and spiritual insight. It is believed to support emotional balance and encourage a deeper connection with one's higher self.

Associated chakra

Orschallite is traditionally linked to the heart and third-eye chakras. Its energy is thought to help open the heart to love and compassion while stimulating inner vision and clarity of thought.

Crystal therapy use

In crystal therapy, orschallite is used for meditation and placed near the heart or third eye. It is often held during quiet reflection to support emotional and spiritual growth.

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 open my heart to love and healing.
  • I trust my inner wisdom and intuition.
  • I embrace transformation with grace.

Cleansing and recharging

Pulizia & Ricarica

To cleanse orschallite, place it under moonlight or use sound, such as a singing bowl. Avoid direct sunlight, salt, or water, as these may damage the stone.

Guided meditation

Sit comfortably and hold orschallite in your hands. Breathe deeply, focusing on your heart and third eye. Visualize a warm light expanding from the stone, filling you with clarity and peace.

Body placement

Posizionamento sul corpo

Chakra: heart

Place orschallite on the chest (heart chakra) or between the eyebrows (third-eye chakra) during therapy lay-down to support emotional and spiritual alignment.

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

Feng Shui

In feng shui, orschallite is best placed in the southeast sector for wealth and abundance or the southwest for love and relationships, enhancing harmony and spiritual growth.

Pairings with other crystals

Orschallite pairs well with rose quartz to enhance compassion and amethyst to deepen spiritual insight. Together, they support emotional healing and higher awareness.

Crystal bath

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

Secondary chakras

Frequently asked questions

Orschallite is considered a rare mineral, with limited known localities, making high-quality specimens uncommon in the mineral collecting community.