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Ilmenite crystal - click for larger pic
Ilmenite crystal
Photo by Violet Anderson
© Royal Ontario Museum

Ilmenite crystals - click for larger pic
Ilmenite crystals
Photo by Violet Anderson
© Royal Ontario Museum

Ilmenite crystals - click for larger pic
Ilmenite crystals
© Doug Merson

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Home > Mineral Descriptions > Ilmenite - (4 Photos)



Ilmenite
FeTiO3

     Ilmenite, a member of the ilmenite group, is relatively common at MSH.
It forms a series with pyrophanite.

PHYSICAL CHARACTERISTICS:

Color is usually black.
Luster is metallic.
Diaphaneity is opaque.
Crystal System is hexagonal; R3.
Crystal Habits include splendid complex hexagonal plates
   and rosettes to 2mm across.
Cleavage none, but good parting on {001} and {101}.
Fracture is conchoidal to uneven.
Hardness is 5 - 6.
Specific Gravity is approximately 4.72 g/cm3.
Streak is black.
Associated Minerals include aegirine, albite, analcime, biotite,
   burbankite, calcite, catapleiite, elpidite, marcasite, microcline,
   natrolite, polylithionite, pyrrhotite and zircon.
Distinguishing Features: Crystal habit and color.
Origin: Named in 1827 after its discovery locality, Lake Ilmen,
   Miask, in the Southern Ilmen Mountains, Russia.

CLASSIFICATION:

Dana System
# 4.3.5.1

Strunz Classification
# IV/C.05-20

REFERENCES:
MinRec 21:315 (1990), Dana 8:226-227 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

MSH
¤¤¤

PE
--

AP
--

MX
--

SS
¤¤

MC
¤¤

HF
--

BR
--

SX
--

FR
--

Legend

Ilmenite crystals - click for larger pic
Ilmenite crystals
© Stephan Wolfsried