Amakinite is a semi transparent yellow-green hydroxide mineral belonging to the brucite group that was discovered in 1962. Its chemical formula is written as (Fe2+,Mg)(OH)2. It usually occurs in the form of splotchy, anhedral crystals forming within a group or structure in other minerals or rocks. Its composition is as follows:
Amakinite is slightly magnetic and was named for the Amakin Expedition, which prospected the Yakutain diamond deposits.
References
Amakinite Wikipedia(Text) CC BY-SA