The Wangara clans relied on the Bambouk region's supply of this substance, the value of which can be measured in units called  mithqal .
Objects used to interact with this substance are often inscribed with adinkra symbols by the Akan people and are called mrammou. Frederick Hodgson's demands to be given an object made of this substance were resisted by Queen Yaa in a 1900 revolt. The Wangara clans relied on the Bambouk region's supply of this substance, the value of which can be measured in units called  mithqal . An object made of it legendarily (*)  fell out of the sky onto the lap of Osei Tutu. A stool made of this substance served as the royal throne for the Ashanti Empire. Its value precipitously dropped in Egypt after it was handed out by Mansa Musa during his pilgrimage to Mecca. For 10 points, identify this precious substance that lent its name to a "coast" in modern-day Ghana.
Objects used to interact with this substance are often inscribed with adinkra symbols by the Akan people and are called mrammou.
gold  [or  Au ]