Teruggite

(repeating unit)Ca4MgAs2B12O22(OH)12·12H2OIMA symbolTgg[1]Strunz classification6.FA.25Crystal systemMonoclinicCrystal classPrismatic (2/m)
(same H-M symbol)Space groupP21/a

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

  1. ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  • Webmineral data
  • Mindat.org
  • Handbook of Mineralogy


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