Tephroite is a non-metallic manganese silicate mineral with the formula, Mn2SiO4.

tephroite
X-ray determination of electron distributions in forsterite, fayalite and tephroite
The surface chemistry of manganiferous silicate minerals as inferred from experiments on tephroite (Mn 2 SiO 4 )
The surface chemistry of manganiferous silicate minerals as inferred from experiments on tephroite (Mn2 SiO4 ). Geochim. Cosmochim...
Formation and distribution of Mg,Fe,Mn-smectites in the first stages of the lateritic weathering of forsterite and tephroite
Thermal expansion of single-crystal tephroite
Czochralski growth of Mn 2 SiO 4 (tephroite) single crystal and its properties
Dielectric constants of tephroite, fayalite and olivine and the oxide additivity rule
Assemblages among tephroite, pyroxmangite, rhodochrosite, quartz: Experimental data and occurrences in the Rhetic Alps
Growth of single-crystal Mn 2 SiO 4 (tephroite) by Czochralski and edge-defined film-fed (EFG) techniques ☆