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Phosphate

Lefontite

Fe₂Al₂Be(PO₄)₂(OH)₆
Crystal systemOrthorhombic
ClassPhosphate
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Lefontite specimen

Exceptionally big and well formed striated crystal of the extremely rare lefontite (IMA 2014-075) from one of the only three known localities worldwide (Seco Claim, Taquaral, Minas Gerais, Brazil). The find in this locality is a new discovery. Lefontite is a Fe-Al-Be phosphate. — Photo: David Hospital · CC BY-SA 4.0

Lefontite

Lefontite is an IMA-recognized mineral species in the phosphate class, with the chemical formula Fe₂Al₂Be(PO₄)₂(OH)₆.

It crystallizes in the orthorhombic crystal system (space group Cmca). It is a member of the Childrenite structural group.

IMA symbol Lef, IMA status: approved, named in 2014.

Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet. Browse more L minerals or help write this entry.