Mineralape
Brownmillerite
Leon Hupperichs·CC BY-SA 3.0·Wikimedia

Brownmillerite

Ca2(Al,Fe3⁺)2O5
Orthorhombic root IMA approved

Brownmillerite is a rare mineral with the chemical formula calcium dialuminate or calcium diiron(III) oxide. It belongs to the orthorhombic crystal system and is classified in the Strunz system as 4.AC.10. The mineral typically exhibits a brown to reddish-brown color and has a dull to submetallic luster. It is relatively hard, with a Mohs hardness of approximately 5.5 to 6, and has a moderate density. Brownmillerite is a member of the oxide mineral group and is notable for its variable composition, as it can contain both aluminum and iron in its structure.

Composition

Composizione (% in peso)
Ca
O
Al
  • CaCalcium37.4%
  • OOxygen37.4%
  • AlAluminium25.2%

Overview

Brownmillerite is a rare mineral with the chemical formula calcium dialuminate or calcium diiron(III) oxide. It belongs to the orthorhombic crystal system and is classified in the Strunz system as 4.AC.10. The mineral typically exhibits a brown to reddish-brown color and has a dull to submetallic luster. It is relatively hard, with a Mohs hardness of approximately 5.5 to 6, and has a moderate density. Brownmillerite is a member of the oxide mineral group and is notable for its variable composition, as it can contain both aluminum and iron in its structure.

Spiritual meaning and crystal therapy

Spiritual meaning

Brownmillerite is a rare and grounding stone, traditionally associated with stability and inner strength. It is believed to support a connection to the Earth and foster resilience in times of change.

Esoteric properties

This stone is said to promote emotional balance and encourage a sense of security. It is associated with grounding energy and is believed to help release negative patterns and foster a deeper sense of self-awareness.

Associated chakra

Brownmillerite is traditionally linked to the root chakra due to its grounding and stabilizing properties, helping to anchor one's energy and foster a sense of safety and security.

Crystal therapy use

In crystal therapy, brownmillerite is often placed at the base of the feet or carried as a pocket stone to support grounding. It can also be used during meditation to help maintain focus and emotional balance.

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.