Formula: NaCa3(UO2)(CO3)3(SO4)F.10H2O
Origin of name: for J. von Schröckinger, Austrian geologist
Crystal system: triclinic
Crystal class: -1
Twinning:
Unit cell:
Colour: greenish yellow
Diaphaneity: transparent
Luster: vitreous (weakly), pearly on cleavage
Habit: pseudohexagonal plates, to 1 mm, scales in globular aggregates, clusters or crusts
Hardness: 2.5
Specific gravity: 2.55
Cleavage: 1; {001} perfect, micaceous
Tenacity:
Streak:
Synonyms/varieties:
Comments: fluoresces bright yellowish green
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