Hoʻokaʻawale ʻia ʻo ka lanahu i ʻekolu mau ʻano: pā lanahu haʻahaʻa wela, pā lanahu wela waena, a me ke kala lanahu kiʻekiʻe.
He mānoanoa ko ka lanahu e loli ana ma waena 1.17 a 1.19 kalima no ke kenimika cubic, ka unuhi ʻana i kahi pili 1.17 i 1.19 tona no ka mika cubic.
I ka hoohalike ana, ʻO ka mānoanoa o ka biotar e noho maʻamau a puni 1.2 kalima no ke kenimika cubic, pili me 1.2 tona no ka mika cubic.