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Kalborsite

K₆Al₄BSi₆O₂₀(OH)₄Cl

Tetragonale root IMA approved

Composizione

Composizione (% in peso)

O

K

Si

Al

OOxygen40.6%
KPotassium24.8%
SiSilicon17.8%
AlAluminium11.4%
ClChlorine3.7%
BBoron1.1%
HHydrogen0.4%

Etimologia

Nome derivato da silicon.

Chakra secondari