Formula: NaB5O6(OH)4.3H2O
Origin of name: for U. Sborgi, Italian chemist
Crystal system: monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: colourless
Diaphaneity: transparent
Luster: vitreous
Habit: crystals anhedral to euhedral, to 1 mm, sugary aggregates, fine-grained crusts, stalactitic
Hardness:
Specific gravity: 1.713
Cleavage:
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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