Magadiite - Lake Magadi, Kenya

Magadiite is a curious hydrated sodium silicate found in various settings, though its preferred environment remains lacustrine evaporites. This specimen comes from Lake Magadi in Kenya, the type locality for magadiite. It is a rare mineral from the phyllosilicate family, composed of hydrated sodium silicate. Complete specimen, 5.5 x 4.5 x 2.5 cm. Exchanged with the BRGM in the 1980s.