Guastoniite-(Y)

Pb₄(YCa)(Si₈B₄O₂₈)F

Triclino root IMA approved

Zusammensetzung

Composizione (% in peso)

Pb

O

Si

PbLead49.0%
OOxygen26.5%
SiSilicon13.3%
YYttrium5.3%
BBoron2.6%
CaCalcium2.4%
FFluorine1.1%

Sekundäre Chakren