No exact match found for Britvin S. N, using Britvin S N instead...
Université de Fribourg

Alumoåkermanite, (Ca,Na)₂(Al,Mg,Fe²⁺)(Si₂O₇), a new mineral from the active carbonatite-nephelinite-phonolite volcano Oldoinyo Lengai, northern Tanzania

Wiedenmann, Daniel ; Zaitsev, A. N. ; Britvin, S. N. ; Krivovichev, S. V. ; Keller, J.

In: Mineralogical Magazine, 2009, vol. 73, no. 3, p. 373-384

Alumoåkermanite, (CaNa)₂(Al,Mg,Fe²⁺)(Si₂O₇), is a new mineral member of the melilite group from the active carbonatite-nephelinite-phonolite volcano Oldoinyo Lengai, Tanzania. The mineral occurs as tabular phenocrysts and microphenocrysts in melilite-nephelinitic ashes and lapilli-tuffs. Alumoåkermanite is light brown in colour; it is transparent, with a vitreous lustre and the streak...