Formula: SrCe(CO3)2(OH).H2O
Origin of name: From Greek for curved
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Unit cell: a = 5.062 Å, b = 8.586 Å, c = 7.303 Å
Colour: Colourless, gray, pale pink, pale yellow to brownish red
Diaphaneity: Transparent to translucent
Habit: Crystals stout to long prismatic, elongated along c-axis, minute pseudo-octahedral crystals with curved faces, grains
Hardness: 4 to 4.5
Specific gravity: 3.95 to 4.1
Cleavage: None
Streak: White
Synonyms/varieties:
Comments:
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