What is luster?
the way mineral surfaces scatters light
What are the 2 types of luster? Describe them.
- -Metallic=> looks like a metal
- -Nonmetallic=> silky, glassy, satiny, resinous, pearly, earthy
What is the scratching resistance of a mineral/
What does Mohs scale measure?
the mineral hardness
Name the order of Mohs scale
What is through going and oftens forms parallel steps?
What only forms on external surfaces?
What is the smooth and curvy or jagged with sharp edges?
The single property that can be used to identify any mineral is _________/
The most useful diagnostic tool is color. True or false.
If a body magma becomes more felsic, its viscosity will
C. stay the same