Biotite (mika ʻeleʻele)
wehewehe huahana
ʻO ke aniani hoʻokahi o ka biotite he kolamu pōkole a me ke ʻano o ka pā, me ka ʻāpana keʻa hexagonal a me ka scaly aggregate.ʻeleʻele a ʻeleʻele paha.E ʻeleʻele ke kala me ka piʻi ʻana o ka hao.ʻO nā mea ʻē aʻe o ka optical a me ka mechanical e like me ka muscovite, me kahi pānaʻi pili o 2.7-3.3.
E kākau i kāu leka ma aneʻi a hoʻouna mai iā mākou