pyrophanite

pyrophanite

[pī′räf·ə‚nīt]
(mineralogy)
MnTiO3 A blood-red rhombohedral mineral consisting of manganese titanate; it is isomorphous with ilmenite.
References in periodicals archive ?
Ilmenite contains considerable amount of pyrophanite component (58 mol.
Occurrence: At Rasvumchorr, in veinlets cross-cutting natrolite of ristscorrite pegmatite; associated minerals are: microcline, aegirine, annite, astrophyllite, magnetite, fluorapatite, pyrophanite, thomsonite-Ca, etc.
1967) Find of pyrophanite and melanophlogite in Chvaletice (E.
The syenite pegmatites contain calcium catapleiite, titanium-rich lavenite, lorenzenite, cesium-rich astrophyllite, kupletskite, pyrophanite, leucophanite, strontium-apatite, loparite, calcium-rich seidozerite, strontium-rich and zirconium-rich perrierite, brookite, landauite, murataite, polylithionite, brewsterite, chabazite, monazite, ancylite, bertrandite, vlasovite, hambergite.
Sparse, 5-mm to 10-cm long crystals of ilmenite grading to pyrophanite were found at the upper contact of the amazonite-topaz zone with the perthite zone, in association with microcline, quartz, magnetite, zircon and thorite.