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ycow [4]
3 years ago
13

Which mineral can be easily scratched by a fingernail, has cleavage, metallic luster and a black streak?

Health
2 answers:
Sedaia [141]3 years ago
7 0

Answer:

galena

If you hit a specimen of galena with a hammer it will shatter into small perfect cubic crystals. It has a metallic luster and a black to dark gray color and streak. Galena has a hardness of about 2.5 on Mohs hardness scale which is about as hard as your finger nail.

Explanation:

I hope it's help you

natita [175]3 years ago
4 0

Answer:

Galena

Explanation:

Galena usually occurs in cubic crystals. If you hit a specimen of galena with a hammer it will shatter into small perfect cubic crystals. It has a metallic luster and a black to dark gray color and streak. Galena has a hardness of about 2.5 on the Mohs hardness scale which is about as hard as your fingernail.

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