10 Questions
What determines the external shape of a crystal?
The arrangement of the crystal faces
Why do most rock crystals not show perfect shapes?
Due to too little space caused by other growing crystals
What is the chemical composition of a mineral?
It has a definite small range of chemical composition
In what conditions do minerals follow the shape of the internal structure of the unit cell?
When grown freely
What holds the C atoms together in a diamond?
Covalent bonds
What is the defining characteristic of a mineral?
Regular arrangement of particles and definite chemical composition
What determines the external shape of a crystal?
Lattice and unit cell
Under what conditions do minerals follow the shape of the internal structure of the unit cell?
Free growing conditions
Why do most rock crystals not show perfect shapes?
Limited availability of space due to other growing crystals
What holds the C atoms together in a diamond?
Covalent bonds
Test your knowledge of minerals, rocks, and crystal systems with this quiz. Learn about the definitions of minerals and rocks, as well as the characteristics of crystal systems. Sharpen your understanding of the natural formations and structures found in the Earth's crust.
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