Species / Unclassified / #0018
Adachiite
Unclassified trigonal #0018
Adachiite is a mineral species described as tourmaline mineral. It is classified under the Nickel-Strunz scheme and its reference data is listed below.
| Formula | CaFe²⁺₃Al₆(Si₅AlO₁₈)(BO₃)₃(OH)₃(OH) |
| Strunz code | — |
| Class | — |
| Crystal system | trigonal |
| Type locality | Saiki |
| Named after | Tomio Adachi |
| Streak | — |
No specimen image
Composition
O
46.38%
Al
17.66%
Fe
15.67%
Si
13.13%
Ca
3.75%
B
3.03%
H
0.38%
Molar mass 1069.343 g/mol
Physical
Mohs
Density
g/cm³