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What is coal's crystalline structure?
It is 'face centered cubic'bb
What is the type of crystal structure in coal?
Coal primarily has an amorphous structure rather than a well-defined crystalline structure. It is composed of a complex mixture of organic compounds, primarily carbon, along with varying amounts of hydrogen, sulfur, oxygen, and nitrogen. The lack of a specific crystal lattice distinguishes coal from crystalline materials, though certain forms of carbon like graphite, which can be found in some coal, do exhibit a layered crystalline structure. Overall, coal's structure is more about the arrangement of organic molecules than a typical crystalline form.
Why do geologist not consider coal to be a mineral?
A mineral must have a definite chemical composition and a crystalline structure, neither of which apply to coal.
What is the crystal structure for coal?
Coal does not have a crystalline structure, crystalline structures are only caused when and untainted sample solidifies from another state, coal is caused by pressure and heat applied over thousands of years to dead animals, as a result it contains high levels of impurities and has a very unpredictable and random structure.
What is the crystal structure for bituminous coal?
Bituminous coal does not have a specific crystal structure because it is composed of amorphous carbon along with varying amounts of other elements like hydrogen, oxygen, sulfur, and nitrogen. This lack of crystalline structure is what distinguishes coal from minerals like diamond or quartz, which have well-defined crystal structures.
What is the crystalline structure of Ar?
Ar, argon is an inert gas and does not have a crystalline structure.
Why is coal not a true mineral?
Coal is not considered a mineral because it is organic in nature, formed from the remains of plants. Unlike minerals, which are inorganic and have a crystalline structure, coal does not have a consistent chemical composition or crystal structure. This distinction classifies coal as a sedimentary rock rather than a mineral.
Diamonds and coal both made of what?
Diamonds and coal are both made of carbon. The arrangement of the carbon atoms in each material gives them their distinct properties: diamonds have a crystalline structure, while coal has an amorphous structure.
What is the difference between a crystalline structure and a crystal structure?
A crystalline structure refers to the arrangement of atoms in a material, while a crystal structure specifically refers to the arrangement of atoms in a crystal. In other words, all crystals have a crystalline structure, but not all materials with a crystalline structure form crystals.
What metals are crystalline?
All metals have a crystalline structure.
What is coals cleavage?
Coal does not exhibit cleavage because it is a sedimentary rock composed mainly of carbon and does not have a crystalline structure like minerals with cleavage. Instead, coal fractures irregularly along its layers or bedding planes.
The structure of NaCl in the crystalline state?
The crystalline structure of sodium chloride is face-centered cubic.
