Formula: Cu3MoO4SO4O
Reflected/transmitted colour: Gray with light green to colorless internal reflections (RL)
Pleochroism: Distinct, olive-green || c, yellowish to brownish green ^ c
Optical isotropy/anisotropy: Biaxial
Optical sign: ?
Refractive indices: α = 1.87, γ = 1.98
Bireflectance/Birefringence δ: 0.11
2V angle:
Dispersion:
Optical orientation:
Optical axial plane:
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