15 Questions
What defines a crystal at a microscopic level?
The arrangement of molecules in a highly ordered lattice
What is a unit cell in the context of crystals?
A contributing part that is repeated in the crystal
Why do crystals grow into different shapes?
Due to factors affecting the arrangement of atoms, molecules, or ions
What is the significance of the pattern of molecules in a crystal?
It determines the shape of the crystal formation
What is a crystal primarily composed of?
Atoms, molecules, or ions arranged in an ordered lattice
Which term refers to the individual repeating part within a crystal structure?
Unit cell
What causes the difference in components inside a unit cell for various types of crystals?
Type of crystal and how they are arranged
What factor primarily determines the crystal habit of a mineral?
The environmental conditions surrounding the crystal as it forms and grows
Which of the following minerals is known for its magnetic properties and was instrumental in ancient humans' discovery of magnetism?
Magnetite
What is the defining characteristic of euhedral crystals?
They have flat surfaces (or facets) with sharp angles
Which of the following minerals has a dodecahedral habit?
Garnet
What type of crystal habit is characterized by elongated prism-like crystals with opposite faces parallel to each other?
Prismatic
Which of the following minerals is an example of a mineral with a cubic habit?
Halite
What type of crystal habit is characterized by having six points, eight facets, and twelve edges?
Octahedral
Which of the following statements is true about non-geometrical crystals?
They do not have a regular geometric shape
Learn about the structure of crystals, how atoms, molecules, or ions are arranged in a highly ordered lattice, and the concept of a unit cell. Explore the microscopic level characteristics and repeating patterns within crystals.
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