IMA mineral species

Jeremejevite

Al₆(BO₃)₅F₃

Borate mineral.

YellowTealBluePurpleBrownWhite & Clear

Jeremejevite specimen
Jeremjevite blue crystals - Ochtendung, Eifel, Germany.jpg · Wikimedia Commons (see file page for author & license)

Properties

⚖ Density3.181 g/cm³
Average
🔷 Hexagonal✏️ streak white
Chemical formulaAl₆(BO₃)₅F₃
ElementsAl, B, O, F
Crystal systemHexagonal
Mohs hardness—
Density3.181 g/cm³
Streakwhite
Color—
IMA symbolJer
Nickel–Strunz class6.AB.15

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