Formula: Ba4(K,Na)2Ti4Al2Si10O36 . 6H2O
Origin of name: For Francis Jones, American collector
Crystal system: Orthorhombic
Crystal class: 222
Twinning:
Unit cell:
Colour: Colourless
Diaphaneity:
Luster:
Habit: Rosettes
Hardness: 3 to 4
Specific gravity: 3.25
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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