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Wagnerite
Mg2(PO4)F

     Wagnerite is another rare species from MSH.

PHYSICAL CHARACTERISTICS:

Color is usually pale orange-brown or tan.
Luster is vitreous to resinous.
Diaphaneity is translucent to opaque.
Crystal System is monoclinic, P21/c.
Crystal Habits include platy and tabular crystals.
Cleavage {100} and {120} are imperfect.
Fracture is uneven or subconchoidal to splintery.
Hardness is 5 - 5.5
Specific Gravity is approximately 3.15 g/cm3.
Streak is white.
Associated Minerals include pyrite, rhodochrosite and siderite.
Distinguishing Features: Crystal habits.
Origin: Named in 1821 after F. M. von Wagner (1768-1851),
   German mining official.

CLASSIFICATION:

Dana System
# 41.6.2.1

Strunz Classification
# VII/B.03-10

REFERENCES:
Dana 8:846-847 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

MSH
¤¤¤

PE
--

AP
--

MX
--

SS
--

MC
--

HF
¤¤

BR
--

SX
--

FR
--

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