搜尋：Black 在 知識單元 分類當中
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符合的藏品
共找到 6 筆符合的資料
, it turns iridescent deep purple or blue. After a period of time, it turns dark black. The streak.....more
- 1/6
luster, Enargite is notable for its grayish black color and streak. However, a tarnish will dull.....more
- 2/6
, but chalocoprite is more yellowish and lower in hardness. The black-green streak can be used.....more
- 3/6
high specific weight and grayish to black color and cleavage with the crystal structure of wheel.....more
- 4/6
is characterized in its metallic luster, gray to black colors and brittleness. It is one.....more
- 5/6
: marmatite (Fe>8-10%) and black sphalerite (Fe~26%).Sphalerite can be commonly found in hydrothermal.....more
- 6/6
