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Chlormagaluminite
(Mg,Fe2+)4Al2(OH)12(Cl2CO3) · 2H2O

     Chlormagaluminite is one of the newer minerals found at Mont Saint-Hilaire. It was originally called "chlor-manasseite".

PHYSICAL CHARACTERISTICS:

Color is usually colorless to yellow-brown.
Luster is pearly.
Diaphaneity is transaprent.
Crystal System is hexagonal; P6/mcm.
Crystal Habits include tabular crystals and aggregates of hexagonal
   dipyramids.
Cleavage {0001} is perfect.
Fracture is (??).
Hardness is 1.5 - 2.5
Specific Gravity is approximately 2.0 g/cm3.
Streak is white.
Associated Minerals include calcite.
Distinguishing Features: Crystal habits.
Origin: Named in 1982 for its composition: chlorine, magnesium and
   aluminium.

CLASSIFICATION:

Dana System
# 10.6.10.1

Strunz Classification
# V/E.2-2

REFERENCES:
CanMin 32:843-854 (1994), Dana 8:405 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

MSH
¤¤¤

PE
--

AP
--

MX
--

SS
--

MC
--

HF
¤¤

BR
--

SX
--

FR
--

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