Between the white limestone and the greyish pink limestone is a thin bed of clay.
在白色石灰石和粉灰色石灰石之间是一层薄薄的黏土。
CREMA REAL RS: Homogeneous chromatic appearance, pink CL background with greyish-brown spots.
皇家奶油：颜色统一，粉红色底色，并带有棕褐色斑点。
A lot of submicro copper particles give a golden scattering light with slight pink hue in the dark field of optical microscope and a greyish red colour in visual observation.
无数的亚显微铜粒在暗场显微镜下呈金黄色散射并略带微红色调，肉眼观察则呈灰红色。
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