18 questions
A mineral can be scratched by gypsum (2) and quartz (7).
What is the hardness range?
1-2
2-7
2-10
7-10
A mineral could NOT be scratched by both calcite (3) and apatite (5).
What is the hardness range?
1-3
3-5
3-10
5-10
A mineral could be scratched by topaz but NOT by fluorite.
What is the hardness range?
1-4
4-8
4-10
8-10
SNICE
Almost all minerals are i__________?
invisible
inorganic
imbeciles
illuminating
There are over 4,000 known minerals. 90% are...
Silicates
Nonsilicates
Native elements
Oxides
Minerals can be a pure substance or a mixture.
TRUE
FALSE
Minerals have a definite chemical composition.
TRUE
FALSE
A mineral's mass to volume ratio describe the property of...
Streak
Hardness
Density
Luster