Formula: Pb2(UO2)5O6(OH)2.4H2O
Origin of name: for David Sayre, American crystallographer
Crystal system: monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: yellowish to reddish orange
Diaphaneity:
Luster:
Habit: crystals prismatic, less than 1 mm
Hardness:
Specific gravity: 6.76
Cleavage: 1; {-102} distinct
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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