tarnish color; oxidation film color on minerals
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
tarnish color; the color of an oxidation film on a mineral's surface
technicalA technical term in mineralogy. The color is not the true color of the mineral but a secondary effect caused by surface oxidation.
Zhè这
kuài块
tóng铜
kuàng矿
shí石
biǎo表
miàn面
de的
qiāng锖
sè色
chéng呈
xiàn现
chū出
lán蓝
lǜ绿
sè色
。
The tarnish on the surface of this copper ore exhibits a blue-green color.
Zài在
jiàn鉴
dìng定
kuàng矿
wù物
shí时
，
xū需
yào要
qū区
fēn分
tā它
de的
tiáo条
hén痕
sè色
hé和
qiāng锖
sè色
。
When identifying minerals, it is necessary to distinguish between its streak color and its tarnish color.
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Kǒng孔
què雀
shí石
měi美
lì丽
de的
qiāng锖
sè色
shǐ使
qí其
chéng成
wéi为
yī一
zhǒng种
shòu受
huān欢
yíng迎
de的
guān观
shǎng赏
shí石
。
The beautiful tarnish color of malachite makes it a popular ornamental stone.