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Species / Borates / #0175

Ammonioborite

Borates monoclinic #0175

Ammonioborite is a mineral species described as borate mineral. It is classified under the Nickel-Strunz scheme and its reference data is listed below.

Formula (NH₄)₃B₁₅O₂₀(OH)₈·4H₂O
Strunz code 6.EA.15
Class Borates
Crystal system monoclinic
Type locality Larderello
Named after chemical composition
Streak
Ammonioborite specimen
Photo: David Hospital — CC BY 4.0 · Wikimedia Commons

Composition

O
67.47%
B
23.26%
N
6.03%
H
3.24%

Molar mass 697.121 g/mol

Physical

Mohs
Density
g/cm³