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That could be graphite, which is a natural allotrope of the element carbon.

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12y ago

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What mineral has nonmetallic luster is black and can be scratched by a fingernail?

Magnatite is the mineral that has a nonmatallic luster, is black, and can be scratched by a fingernail.


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

The mineral that fits this description is graphite. Graphite is very soft and can be easily scratched by a fingernail. It has a metallic luster and a black streak.


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

Well you see, it's pretty simple. If a fingernail has a hardness of 2.5, and the question is asking what mineral can easily be scratched by a fingernail. Well then it is Graphite. It has a less hardness than your fingernails.


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

azurite is one of the minerals that has a light blue streak.


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

Well you see, it's pretty simple. If a fingernail has a hardness of 2.5, and the question is asking what mineral can easily be scratched by a fingernail. Well then it is Graphite. It has a less hardness than your fingernails.


Is the luster of a mineral described as metallic or nonmetallic True or false?

True. The luster of a mineral is described as either metallic or nonmetallic. Metallic luster reflects light like metal, while nonmetallic luster can vary from glassy to earthy in appearance.


What is a word that means shiny luster?

If a mineral has a shiny luster, is it matallicIf a mineral has no shiny luster, is it nonmetallic?


Mineral that has a nonmetallic luster and is black?

The mineral you are referring to is likely magnetite. Magnetite is a black mineral with a nonmetallic luster, often appearing metallic or glassy. It is a common iron oxide mineral found in a variety of geological settings.


What are facts about luster?

The Luster of a mineral is it's appearance in the light. Also there are two types of Luster, metallic and nonmetallic.


What mineral has nonmetallic luster and it is black?

There is not enough information to go on. Many minerals fit this description, especially since there are several types of nonmetallic luster.


What is luster used for?

luster is used to determine if a mineral has metallic or nonmetallic shine. It also means the way a mineral reflects light


What is the luster of orthoclase?

Depending on the variety, feldspars can range from adamantine to glassy in luster.