Aksaite

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Aksaite
General
Category Nesoborates
Formula
(repeating unit)
Mg[B6O7(OH)6]·2H2O
Strunz classification 06.FA.05
Dana classification 26.6.4.1
Identification
Color Colorless, white to pale grey
Crystal system Orthorhombic
Cleavage Distinct/Good; Probable on {100} and {010}
Mohs scale hardness ~2.5
Streak White
Diaphaneity Transparent to translucent
Optical properties Biaxial (-)
Birefringence δ = 0.055
2V angle Measured = 88°; Calculated = 78°
Dispersion None
References [1][2]

Aksaite (Mg[B6O7(OH)6]·2H2O) is a mineral found in Kazakhstan.

Etymology and History

Aksaite is named after the place it was discovered, Ak-say (lit. White Glen). It was found in 1963 in Chelkar Salt Dome, Ak-say Valley, Kazakhstan.

References


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