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Sazhinite-(Ce) crystals – 0,3mm
Photo by Gilles Haineault
© Gilles Haineault
Sazhinite-(Ce) crystals
© Stephan Wolfsried
NaCe{Si14(OH)} · nH
Sazhinite-(Ce) is extremely rare at MSH, and only a few specimens are known.
PHYSICAL CHARACTERISTICS:
Color is usually white to pale yellowish gray and cream.
Luster is vitreous to pearly.
Diaphaneity is transparent to translucent.
Crystal System is orthorhombic; Pmm2.
Crystal Habits include thick, striated, tabular prismatic crystals.
Cleavage {100} is perfect, {010}and {001} are good.
Fracture is (??).
Hardness is 2.5
Specific Gravity is approximately 2.6 g/cm
Streak is white.
Associated Minerals include aegirine, eudialyte, halite, sérandite,
silinaite, sodalite, sphalerite, ussingite, vuonnemite and zakharovite.
Distinguishing Features: Crystal habits.
Origin: Named in 1974 after Nikolai Petrovich Sazhina (1897-1969),
Russian professor of metallurgy.
CLASSIFICATION:
Dana System
# 72.2.1.3
Strunz Classification
# VIII/H.31-10
REFERENCES:
MinRec 21:334 (1990), Dana 8:1525 (1997)
DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:
MSH
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