Nordite-(Ce)

(Ce,La,Ca)(Sr,Ca)Na(Na,Mn)(Zn,Mg)Si17

Nordite-(Ce) is another extremely rare species at MSH.

PHYSICAL CHARACTERISTICS:

Color is usually white.
Luster is vitreous, greasy on fracture.
Diaphaneity is transparent to translucent.
Crystal System is orthorhombic; Pcca
Crystal Habits include hemispherical aggregates of tiny silky crystals.
Cleavage {010} is apparent.
Fracture is (??).
Hardness is 5.
Specific Gravity is approximately 3.45 g/cm
Streak is light brown.
Associated Minerals include lueshite.
Distinguishing Features: Crystal habit and association.
Origin: Named in 1958 from a Russian word meaning North, alluding
to its discovery near the Chinglusuai River in the Lovozero Tundras,
Russia.

CLASSIFICATION:

Dana System
# 72.5.2.2

Strunz Classification
# VIII/G.03-20

REFERENCES:
Dana 8:1541-1542 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

MSH
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