© Modris Baum
© Doug Merson
Ilmenorutile is discredited by the IMA during a vast revision of pre-IMA (1959) species. Ilmenorutile is Nb-bearing rutile.
Color is usually dark gray.
Luster is sub-metallic.
Diaphaneity is opaque.
Crystal System is tetragonal; mnm
Crystal Habits include irregular clusters of prismatic crystals.
Cleavage  is distinct,  is imperfect.
Fracture is conchoidal.
Hardness is 6 -6.5
Specific Gravity is approximately 4.75 g/cm
Streak is grayish to greenish-black.
Associated Minerals include albite, franconite, microcline,
rhodochrosite, rutile and siderite.
Distinguishing Features: Crystal habit, color and luster.
Origin: Named in 1854 after its discovery locality, at Miask, Ilmen
Mountains, Russia and its similarity to rutile.
Dana 8:237 (1997)
DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE: