YInMn Blue
Synthetic inorganic blue pigment
YInMn Blue
YInMn Blue (; for the chemical symbols Y for yttrium, In for indium, and Mn for manganese), also known as MasBlue, Oregon Blue, and Subramanian('s) Blue, is an inorganic blue pigment.
Read on Wikipedia · Image Mas Subramanian, CC BY-SA 4.0
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