Black coloring was obtained from charcoal or from bone ashes. Besides, the Bushmen obtained white coloring from clay, bird droppings, or zinc oxide matter.
黑色顏料取自木炭或焚燒骨頭後所形成的碳化物；另外他們也從黏土、鳥糞或鋅氧化物中取得白色顏料。