Question

Which of the following is not a description of crystal form?

1. cube
2. octahedron
3. rhombohedron
4. scalenohedron
5. fibrous

Answer 1

The crystal forms described in the question are all valid descriptions of crystal forms, except for fibrous.

Step-by-step explanation:

The crystal forms described in the question are all valid descriptions of crystal forms, except for fibrous. The crystal forms mentioned in the options include cube, octahedron, rhombohedron, and scalenohedron. These are all specific shapes or forms that crystals can take based on their atomic arrangement. However, fibrous is not a valid description of crystal form. It refers to the texture or appearance of a material rather than its actual crystal structure.