Hydrozincite

Zn(CO(OH)

Hydrozincite is a rare secondary mineral at Mont Saint-Hilaire. It displays weak white fluorescence under LW and SW.

PHYSICAL CHARACTERISTICS:

Color ranges from white to grayish-blue.
Luster is porcelaneous.
Diaphaneity is translucent.
Crystal System is monoclinic; 2/
Crystal Habits include thin globular crusts displaying some
radiating structure.
Cleavage {100} is perfect.
Fracture is not apparent.
Hardness is 2 – 2.5
Specific Gravity is approximately 4.0 g/cm
Streak is white.
Associated Minerals include aegirine, albite, calcite and
sphalerite.
Distinguishing Features: Crystal habit and fluorescence.
Origin: Named in 1853 for its composition, a hydrous zinc-bearing
carbonate.

CLASSIFICATION:

Dana System
# 16a.4.1.1

Strunz Classification
# V/C.01-100

REFERENCES:
MinRec 21:315 (1990), Dana 8:493-494 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

MSH
陇陇陇

Legend