Sections
Thumbnails

Quintinite crystals - click for larger pic
Quintinite crystal
Photo by Violet Anderson
László Horváth specimen
© Royal Ontario Museum

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

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

Quintinite crystals - click for larger pic
Quintinite crystal
© Doug Merson

Search this site

Powered by FreeFind

Home > Mineral Descriptions > Quintinite (TL) - (7 Photos)



Quintinite (Type Locality)
Mg4Al2(OH)12(CO3) · 3H2O

     Quintinite-3T is a recently described species from Mont Saint-Hilaire. It had originally been identified as hydrotalcite back in 1976 before being assigned UK #58.

PHYSICAL CHARACTERISTICS:

Color is usually colorless or yellow.
Luster is vitreous.
Diaphaneity is transparent.
Crystal System is hexagonal; P3112 or P3212.
Crystal Habits include hexagonal and tabular crystals to 1mm.
Cleavage {0001} is perfect.
Fracture is (??).
Hardness is ~ 2.
Specific Gravity is approximately 2.14 g/cm3.
Streak is white.
Associated Minerals include aegirine, albite, analcime, ancylite
   donnayite, gonnardite and microcline.
Distinguishing Features: Crystal habits.
Origin: Named in 1992 after Colonel Quintin Wight (b. 1935), Canadian
   mineral collector and author of "The Complete Book of Micromounting".

CLASSIFICATION:

Dana System
# 16b.6.4.2

Strunz Classification
# V/E.2-5

REFERENCES:
Dana 8:512 (1997), CanMin 35:1541-1549 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

MSH
¤¤¤

PE
--

AP
--

MX
--

SS
--

MC
--

HF
--

BR
--

SX
--

FR
--

Legend

Quintinite crystals - click for larger pic
Quintinite crystals

©

Quintinite crystals - click for larger pic
Quintinite crystals
©

Quintinite crystals - click for larger pic
Quintinite crystals
© Quintin Wight