9th - 10th grade
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Scratching a mineral against a glass plate is a method of determining its __________.
Which mineral property is best illustrated by the following diagram?
Which mineral property is being tested in the following diagram?
The reflection of light from the surface of a mineral is called __________.
Describe the luster of the following mineral.
Which factor determines the crystal shape of a mineral?
What is the basic atomic structure that forms when oxygen and silicon unite?
Which mineral will scratch quartz but not corundum?
Which material is made of feldspar?
Which mineral is yellow in color and has a foul odor?
Which mineral has a hardness of 6.5 and a reddish-brown streak?
Which mineral cleaves in four directions and consists of calcium and fluorine?
Which mineral has a red color, is used in jewelry, and has a hardness of 7?
Which mineral is colorless, has rhombohedral cleavage, and bubbles with acid?
Which mineral is black, flexible in thin sheets, and has a hardness of 2.5?