在苔藓虫的虫房内常见有无定形的块状物,功能欠明,而只称之为褐色体。褐色体是产生于虫体内的老朽废物块,是存在于已退化的或在继续退化的虫体中。
石斑鱼体色一般呈暗绿或暗褐色,有些种类栖居深海的比生活在近海的体色更红。
Groupers are usually dull green or Brown; some species can change their colour pattern, and deepwater individuals may be much redder than nearshore ones.
铁铝榴石呈红褐色,菱形十二面体晶形,化学成分以铁、铝、硅为主,含钙、镁等微量元素。
Almandine being red-brown rhombododecahedron consists of iron, aluminium and silicon, containing trace elements of calcium and magnesium.
这些贝的体色从橘红,橘黄,浅黄到褐色有所差异。
The color of these shells varies from orange to orangey-yellow, pale yellow to brownish in color.
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