Sections
Thumbnails

Halite crystals - click for larger pic
Blue halite crystals - 3mm
Photo by Gilles Haineault
© Gilles Haineault

Search this site

Powered by FreeFind

Home > Mineral Descriptions > Halite - (1 Photo)



Halite
NaCl

     The occurrence of halite at Mont Saint-Hilaire is exceedingly rare. It is found as a white flaky alteration with UK #81 and an undetermined sulfate mineral on UK #81.

PHYSICAL CHARACTERISTICS:

Color is usually white.
Luster is vitreous to earthy.
Diaphaneity is translucent to opaque.
Crystal System is isometric; Fm3m.
Crystal Habits include pure white flaky alterations up to 0.5mm thick.
Cleavage {001} is perfect.
Fracture is conchoidal.
Hardness is 2.
Specific Gravity is approximately 2.2 g/cm3.
Streak is white.
Associated Minerals include aegirine, sérandite, sodalite, ussingite,
   vuonnemite and UK #81. Distinguishing Features: Crystal habit.
Origin: Named in antiquity from the Greek hals, salt.

CLASSIFICATION:

Dana System
# 9.1.1.1

Strunz Classification
# III/A.02-30

REFERENCES:
MinRec 21:313 (1990), Dana 8:373-375 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

MSH
¤¤¤

PE
--

AP
--

MX
--

SS
--

MC
--

HF
--

BR
--

SX
¤¤

FR
--

Legend