Korobitsynite
Na_3-x(Ti,Nb)₂[Si₄O₁₂](OH,O)₂ · 3-4H₂O

     Korobitsynite is a recently identified species from Mont Saint-Hilaire. The specimens were collected several years ago and identified as nenadkevichite. A forthcoming nomenclature on the labuntsovite-nenadkevichite group will be appearing shortly, it now totals 17 members.

PHYSICAL CHARACTERISTICS:

Color is usually colorless to pale-gray.
Luster is vitreous.
Diaphaneity is transparent.
Crystal System is orthorhombic, Pbam.
Crystal Habits "wagon-wheel" aggregates of prisms reaching 2 - 3 mm
   in diameter.
Fracture is (??).
Hardness is approximately 5.
Specific Gravity is (??) g/cm³.
Streak is white.
Associated Minerals aegirine, albite, astrophyllites, calcite, fluorite,
   microcline, molybdenite, pyrrhotite, rhodochrosite, rutile, siderite,
   strontianite, titanite and zircon.
Distinguishing Features: (?).
Origin: Named in 1999 after Mikhail Fedorovich Korobitsyn (1928-1996),
   amateur mineralogist and collector who made significant contributions
   to the Lovozero alkaline complex.

CLASSIFICATION:

REFERENCES:
CanMin 29: (1999)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

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