Formula: (Pd,Cu, Pt)3Sn
Reflected/transmitted colour: RL light gray with a rose tint
Pleochroism: RL distinct, from light gray with a rose tint to a creamy tint
Optical isotropy/anisotropy: RL dark gray with a blue tint to yellowish gray
Optical sign:
Refractive indices:
Bireflectance/Birefringence δ:
2V angle:
Dispersion:
Optical orientation:
Optical axial plane:
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