Teruggite

Teruggite
General
Category	Nesoborates
Formula (repeating unit)	Ca₄MgAs₂B₁₂O₂₂(OH)₁₂·12H₂O
Strunz classification	6.FA.25
Crystal system	Monoclinic
Identification
Crystal symmetry	Monoclinic - prismatic H-M symbol (2/m) Space Group: P 2₁/a

Teruggite is a mineral with the chemical formula Ca₄Mg As₂B₁₂O₂₂(OH)₁₂·12H₂O. It is colorless. Its crystals are monoclinic prismatic. It is transparent. It is not radioactive. It has vitreous luster. Teruggite is rated 2.5 on the Mohs Scale of hardness.

References

Webmineral data
Mindat.org
Handbook of Mineralogy

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