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Talmessite
Christian Rewitzer·CC BY-SA 3.0·Wikimedia

Talmessite

Ca2Mg(AsO4)2·2H2O
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Talmessite is a hydrated calcium magnesium arsenate mineral with the chemical formula Ca2Mg(AsO4)2·2H2O. It belongs to the orthorhombic crystal system and is classified under the phosphate mineral group in the Strunz classification as 8.CG.05. This mineral typically exhibits a white streak and a vitreous to pearly luster. Its color can vary, but it is often white or pale in appearance. Talmessite has a relatively low hardness and a moderate density, making it a delicate mineral. It is commonly found in association with other secondary minerals in low-temperature environments.

Composition

Composizione (% in peso)
O
As
Ca
  • OOxygen38.2%
  • AsArsenic35.8%
  • CaCalcium19.2%
  • MgMagnesium5.8%
  • HHydrogen1.0%

Overview

Talmessite is a hydrated calcium magnesium arsenate mineral with the chemical formula Ca2Mg(AsO4)2·2H2O. It belongs to the orthorhombic crystal system and is classified under the phosphate mineral group in the Strunz classification as 8.CG.05. This mineral typically exhibits a white streak and a vitreous to pearly luster. Its color can vary, but it is often white or pale in appearance. Talmessite has a relatively low hardness and a moderate density, making it a delicate mineral. It is commonly found in association with other secondary minerals in low-temperature environments.

Etymology

Talmessite is named after the Talmessi mine, the location where it was first discovered.

Occurrence

Talmessite is associated with the Talmessi mine, which is its type locality. Specific details about its wider distribution are not provided.

Spiritual meaning and crystal therapy

Spiritual meaning

Talmessite is traditionally seen as a stone of clarity and emotional balance, helping to illuminate inner truths and foster spiritual growth.

Esoteric properties

Talmessite is said to promote calmness, emotional healing, and a deeper connection to one's intuition and higher self.

Associated chakra

Talmessite is associated with the heart and third eye chakras, as its energy is believed to support emotional harmony and inner wisdom.

Crystal therapy use

Talmessite is often used in meditation or placed on the heart or third eye area to encourage emotional clarity and spiritual insight.

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.