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Bonshtedtite
Na3Fe(PO4)(CO3)

     Bonshtedtite is a rare species at Mont Saint-Hilaire.

PHYSICAL CHARACTERISTICS:

Color is usually colorless or yellow.
Luster is vitreous to pearly.
Diaphaneity is transparent to translucent.
Crystal System is monoclinic; P21/m.
Crystal Habits include tabular plates of crystals and lozenges.
Cleavage {100}, {010} are perfect.
Fracture is (??).
Hardness is 4.
Specific Gravity is approximately 2.95 g/cm3.
Streak is white.
Associated Minerals include bradleyite, burbankite, ilmenite,
   lorenzenite and natrolite. Distinguishing Features: Crystal habits.
Origin: Named in 1982 after Elsa Bohnstedt-Kupletskaya (1894-1974),
   Russian mineralogist.

CLASSIFICATION:

Dana System
# 43.2.1.3

Strunz Classification
# V/C.4-30

REFERENCES:
Dana 8:958-959 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

MSH
¤¤¤

PE
--

AP
--

MX
--

SS
--

MC
--

HF
--

BR
--

SX
--

FR
--

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