This printable crossword puzzle on the topic of Rocks & Minerals has 17 clues. Answers range from 3 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
The number of these determines what element an atom is
If an atom has more or less of these, that means it is an isotope
Smallest subatomic particle
Bonding in which one atom gives an electron to another atom
Bonding in which two atoms share valence electrons
Describes quality of light reflected from a mineral's surface
When a mineral breaks cleanly along a plane
Which property of a mineral is least helpful for identification?
One of the five properties of a mineral
An atom that has different numbers of protons and electrons
Silicates contain silicon and ________ and are major constituents of continental crust
The color of a mineral in powdered form
A scale to establish the hardness of a mineral
A type of dark silicate mineral
Magnetic nonsilicate mineral
A naturally occurring concentration of one or more metallic minerals that can be extracted economically
The two major groups of minerals are silicates and