Question
Exhibit 2: Anthracite
You do the following tests and find
these results:
Streak: black streak
Magnetic:no
Float/Sink: sinks
Mass: 12.5 g
Reaction to HCL: no reaction
Is this Anthracite?
You do the following tests and find
these results:
Streak: black streak
Magnetic:no
Float/Sink: sinks
Mass: 12.5 g
Reaction to HCL: no reaction
Is this Anthracite?
Answers
GPT 3.5
Yes, based on the results of the tests (black streak, sinks, no reaction to HCL), it is likely that this sample is Anthracite. Additionally, Anthracite is a dense, hard coal with a high carbon content, which matches the characteristics observed in the test results.
2b. Is this a rock or mineral?
GPT 3.5
Anthracite is a type of coal, which is a rock rather than a mineral. Coal is a combustible sedimentary rock composed primarily of carbon along with varying amounts of other elements, such as hydrogen, sulfur, oxygen, and nitrogen. Therefore, Anthracite is classified as a rock.