Teruggite

Teruggite
General
Category	Nesoborates
Formula (repeating unit)	Ca4MgAs2B12O22(OH)12·12H2O
Strunz classification	06.FA.25

Teruggite is a mineral with the chemical formula Ca₄MgAs₂B₁₂O₂₂(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