Astanga Hrudaya
शुद्धवैडूर्यविमला सुस्निग्धा तोयजा सुखा । स्थिरा स्निग्धा घना शुद्धा श्यामा श्वेता च पार्थिवी ॥ ४८ ॥
parthivi (related to prathvi bhuta) is stable, unctuous, thick, transparent, black or white. Among these vayu chaya produces diseases, death or misery,
english translation
zuddhavaiDUryavimalA susnigdhA toyajA sukhA । sthirA snigdhA ghanA zuddhA zyAmA zvetA ca pArthivI ॥ 48 ॥
hk transliteration by Sanscript