Formula: NaSbO3
Antimonate
Crystal System: Trigonal
Specific gravity: 4.8 measured, 4.95 calculated
Hardness: 2½
Streak: White
Colour: Colourless, light pink or yellow in aggregates
Environments:
Brizziite is an alteration product of stibnite, together with
stibiconite and mopungite
(Dana)
At the type locality, Le Cetine di Cotorniano Mine, Chiusdino, Siena Province, Tuscany, Italy, brizziite is a weathering
product of stibnite in an antimony deposit in
highly silicified limestone, associated with
stibiconite, senarmontite,
mopungite and cetineite
(Mindat, HOM)
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