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Götzenite crystals - click for larger pic
Götzenite crystals
L. Horváth sp.
Photo by Violet Anderson
© Royal Ontario Museum

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

Götzenite - click for larger pic
Götzenite crystals
© Stephan Wolfsried

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Home > Mineral Descriptions > Götzenite - (3 Photos)



Götzenite
(Ca,Na)3(Ti,Al)Si2O7(F,OH)2

     Götzenite occurs rarely at Mont Saint-Hilaire. It is one of the earliest minerals to form in the paragenesis sequence.

PHYSICAL CHARACTERISTICS:

Color is usually very pale yellow, tan or off-white.
Luster is greasy to dull to vitreous.
Diaphaneity is opaque.
Crystal System is triclinic; P1.
Crystal Habits include elongated tablets and acicular crystals
   to 4mm, exceptional crystals to 1cm. Crystals faces are striated.
Cleavage {100} is perfect and {001} is good.
Fracture is not apparent.
Hardness is 6.
Specific Gravity is approximately 3.1 g/cm3.
Streak is white.
Associated Minerals include ancylite, calcite, datolite,
   fluorapatite, fluorapophyllite, fluorite, hibschite, natrolite,
   pectolite, tadzhikite and vesuvianite.
Distinguishing Features: Crystal habit.
Origin: Named in 1957 for Count Gustav Aldoph von Götzen
   (1866-1910), the first foreigner to climb Mount Shaheru,
   North Kivu, Zaire, where he discovered the mineral.

CLASSIFICATION:

Dana System
# 56.2.5.4

Strunz Classification
# VIII/C.12-10

REFERENCES:
MinRec 21:313 (1990), Dana 8:1170-1171 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

MSH
¤¤¤

PE
--

AP
--

MX
¤¤

SS
--

MC
--

HF
--

BR
--

SX
--

FR
--

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