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Mineralpedia Details for Sazykinaite-(Y)

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Sazykinaite-(Y)

Sazykinaite-(Y)

Named for Russia artist Ludmila B. Sazykina whose work featured the Kola Peninsula in Russia. Localities for Sazykinaite are at the type locality in Koashva Mountains in the Kola Peninsula in Russia, and at Mont Saint-Hilaire in Quebec, Canada. It appears as yellow to pale green translucent rhombohedrons and can fluoresce bight green under ultraviolet light.

Ref. Minerals and their Localities, Bernard, J.H. and Hyršl, J. (2004)

IMA/CNMNC List of Mineral Names (2009) and Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 122 (1993) (5), 76

 

Formula
Na5YZrSi6O18ยท6H2
Crystal System
Trigonal 
Crystal Habit
Crystalline - Fine 
Cleavage
Imperfect, None, None 
Luster
Vitreous (Glassy) 
Color
light green, yellow 
Streak
white 
Class
Trigonal - Trapezohedral 
Fracture
Brittle 
Hardness
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Sazykinaite-(Y) from Koashva Mt., Khibiny Massif, Kola Peninsula, Russia

Sazykinaite-(Y)
            from Koashva Mt., Khibiny Massif, Kola Peninsula, Russia

Very light tan to clear, colorless rhombic crystals in a small cluster. Sazykinaite is within the Hiliarite group and occurs in only two worldwide localities. It is also one of only nine Y-Zr minerals.

Yellowish brown rhombic crystals to 1.5mm on green amphibolite(?).

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