IMA mineral species

Tveitite-(Y)

(Y,Na)₆Ca₆Ca₆F₄₂

Halide mineral.

Tveitite-(Y) specimen
Tveitite-(Y).jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula(Y,Na)₆Ca₆Ca₆F₄₂
ElementsY, Na, Ca, F
Crystal systemTrigonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolTtt-Y
Nickel–Strunz class3.AB.30

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