| Teruggite |
|---|
| General |
|---|
| Category | Nesoborates |
|---|
Formula
(repeating unit) | Ca4MgAs2B12O22(OH)12·12H2O |
|---|
| Strunz classification | 6.FA.25 |
|---|
| Crystal system | Monoclinic |
|---|
| Crystal class | Prismatic (2/m)
(same H-M symbol) |
|---|
| Space group | P21/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
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