Aksaite
(repeating unit)Mg[B6O7(OH)6]·2H2O IMA symbol Aks[1] Strunz classification 6.FA.05 Dana classification 26.6.4.1 Crystal system Orthorhombic
Dipyramidal class Space group Orthorhombic
H-M symbol: (2/m 2/m 2/m)
Space group: Pbca Identification Color Colorless, white to pale grey 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 [2][3]
Dipyramidal class
H-M symbol: (2/m 2/m 2/m)
Space group: Pbca
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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