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

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

Hochelagaite crystals - click for larger pic
Hochelagaite crystals
© Modris Baum

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Home > Mineral Descriptions > Hochelagaite (TL) - (4 Photos)



Hochelagaite (Type Locality)
(Ca,Na,Sr)Nb4O11 · 8H2O

     Hochelagaite had been known from Mont Saint-Hilaire for a number of years and designated as UK #50 before it was described. It is spread through several environments, though rare. It is the calcium analog of franconite, and does not fluoresce.

PHYSICAL CHARACTERISTICS:

Color is usually white.
Luster is vitreous to silky.
Diaphaneity is transparent.
Crystal System is monoclinic; (??).
Crystal Habits include spherical aggregates of fine capillary
   crystals, matted fibrous masses.
Cleavage none observed.
Fracture is (??).
Hardness is 4.
Specific Gravity is approximately 2.9 g/cm3.
Streak is white.
Associated Minerals include aegirine, albite, catapleiite, natrolite,
   pyrite, siderite and zircon.
Distinguishing Features: Crystal habit.
Origin: Named in 1986 from the Algonquian Hochelaga, the original
   name for the place that is now Montreal.

CLASSIFICATION:

Dana System
# 8.6.1.2

Strunz Classification
# IV/D.06-50

REFERENCES:
CanMin 24:449-453 (1986), MinRec 21:314-315 (1990), Dana 8:368 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

MSH
¤¤¤

PE
--

AP
¤¤

MX
--

SS
¤¤

MC
¤¤

HF
¤¤

BR
--

SX
--

FR
--

Legend

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