Mineralape
Foshagite
Robert M. Lavinsky·CC BY-SA 3.0·Wikimedia

Foshagite

Ca4(Si3O9)(OH)2
IMA grandfathered

Foshagite is a calcium silicate hydroxide mineral with the chemical formula Ca4(Si3O9)(OH)2. It belongs to the inosilicate class of minerals, specifically classified under the Strunz system as 9.DG.15. The mineral crystallizes in the monoclinic crystal system. Foshagite typically exhibits a vitreous luster and is usually colorless or white in appearance. It has a hardness of approximately 5 to 5.5 on the Mohs scale and a specific gravity of around 2.7 to 3.0. These properties make it a relatively soft and lightweight mineral, suitable for detailed mineralogical study.

Composition

Composizione (% in peso)
O
Ca
Si
  • OOxygen41.6%
  • CaCalcium37.9%
  • SiSilicon19.9%
  • HHydrogen0.5%

Overview

Foshagite is a calcium silicate hydroxide mineral with the chemical formula Ca4(Si3O9)(OH)2. It belongs to the inosilicate class of minerals, specifically classified under the Strunz system as 9.DG.15. The mineral crystallizes in the monoclinic crystal system. Foshagite typically exhibits a vitreous luster and is usually colorless or white in appearance. It has a hardness of approximately 5 to 5.5 on the Mohs scale and a specific gravity of around 2.7 to 3.0. These properties make it a relatively soft and lightweight mineral, suitable for detailed mineralogical study.

Etymology

Foshagite is named after William F. Foshag, a notable mineralogist. The mineral was recognized with IMA grandfathered status, indicating its official recognition prior to the establishment of the current IMA nomenclature system.

Spiritual meaning and crystal therapy

Mantra
Clarity unfolds within me.

Spiritual meaning

Foshagite is a rare and mysterious stone, often associated with transformation and spiritual awakening. It is traditionally believed to support deep inner exploration and the uncovering of hidden truths.

Esoteric properties

Foshagite is said to enhance spiritual insight, support emotional healing, and encourage a connection to higher wisdom. It is associated with clarity, intuition, and the release of old patterns.

Associated chakra

Foshagite is traditionally linked to the third eye and crown chakras due to its translucent, ethereal appearance and its association with higher consciousness and spiritual perception.

Crystal therapy use

Used in meditation or placed on the third eye or crown during spiritual practices, foshagite is traditionally believed to aid in accessing inner wisdom and expanding awareness.

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 embrace new perspectives.
  • I trust my inner guidance.
  • I release what no longer serves me.

Cleansing and recharging

Pulizia & Ricarica

To cleanse foshagite, place it under moonlight or use sound cleansing with a singing bowl. Avoid salt or direct sunlight, as these may damage its delicate structure.

Guided meditation

Sit comfortably and hold foshagite in your hands. Breathe deeply, focusing on its energy. Visualize a white light expanding through your crown chakra. Allow its presence to guide you into a state of inner clarity and spiritual awareness.

Body placement

Posizionamento sul corpo

Place foshagite on the forehead (third eye) or the top of the head (crown) during therapy to align with its spiritual and intuitive properties.

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

Feng Shui

In Feng Shui, foshagite is best placed in the southwest sector for love and relationships or in the center for overall health and balance. It promotes harmony and spiritual alignment in the home.

Pairings with other crystals

Foshagite pairs well with amethyst and clear quartz to enhance spiritual clarity and intuition. Together, they support deeper meditation and connection to higher realms.

Crystal bath

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