IMA mineral species

Ferro-fluoro-pedrizite

NaLi₂(Fe²⁺₂Al₂Li)Si₈O₂₂F₂

Li-amphibole, double chain inosilicate mineral.

Properties

⛏ Mohs hardness5 – 7
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Harder than quartz: scratches glass and steel.

Chemical formulaNaLi₂(Fe²⁺₂Al₂Li)Si₈O₂₂F₂
ElementsNa, Li, Fe, Al, Si, O, F
Crystal systemMonoclinic
Mohs hardness5 – 7
Density—
Streak—
Color—
Cleavage{110}
IMA symbolFflpd
Nickel–Strunz class9.DE.05

“—” means no reliable value in Wikidata yet. Check Mindat for full data.