1.
Mineralogical Characteristics of the Pingtang Sinian Sedimentary Black Talc in Guangfeng
广丰萍塘震旦系沉积型黑滑石矿物学特征
2.
Touchstone is a fine-grained velvety black rock, a kind of quartz.
试金石是一种纹理细密、表面光滑的黑色岩石，属石英一类。
3.
A black variety of garnet.
黑榴石一种黑色石榴石
4.
A hard, dense, dark volcanic rock composed chiefly of plagioclase, pyroxene, and olivine, and often having a glassy appearance.
玄武岩一种硬的、致密的、黑色的火山岩。它主要由斜长石、辉石和橄榄石组成，外表经常很光滑
5.
as Black as jet
像黑色大理石一样黑
6.
Of, relating to, or being a surface characterized by smooth, shell - like convexities and concavities, as on fractured obsidian.
贝壳状的（属于）表面光滑且呈贝壳状凸凹特点的、或与之有关的，如黑曜石碎块
7.
She shook back her black hair, which had fallen forward.
她甩了甩滑下来的黑发。
8.
cork opera
[美俚]把脸涂黑扮成黑人的滑稽歌剧
9.
A dark region or blemish, as on a polished stone.
黑斑，瑕疵黑块或黑斑，如磨光的石头上的黑斑
10.
resembling marble in smoothness.
在光滑方面似大理石的。
11.
skin of marmoreal smoothness.
似大理石般光滑的皮肤。
12.
graphited oilless bearing
石墨润滑的无油轴承
13.
He picked up some smooth stones.
他捡了一些光滑的石子。
14.
colloidal graphite lubrication
胶态石墨的润滑作用
15.
wire rope graphite base lubricating grease
石墨基钢丝绳润滑脂
16.
Venetian chalk
(裁缝划线用的)滑石
17.
rocks worn smooth through the agency of water
被水冲得光滑的岩石
18.
Sociedade Industrial de Talcos de Angola
安哥拉滑石工业公司