ʻO ka ʻokoʻa ma waena o Garnet a me nā pōhaku like a me ka garnet synthetic.ʻO nā pōhaku makamae e like me ke kala me nā garnets like ʻole, me nā rubi, sapphires, corundum artificial, topaz, emeralds, Jadeite, a me nā mea ʻē aʻe, he heterogeneous a hiki ke hoʻokaʻawale ʻia e ka polarization.