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Identifying Minerals
Minerals Unit
Question | Answer |
---|---|
A naturally formed inorganic solid with a definite crystal structure. | MINERAL |
A physical property that usually isn't enough to identify a mineral alone. | COLOR |
The way light is reflected from the mineral. | LUSTER |
The color left by a mineral when rubbed against a ceramic tile. | STREAK |
A measure of how easily a mineral can be scratched. | HARDNESS |
Mineral's can be identified by their | PHYSICAL PROPERTIES |
The hardest mineral on Moh's Scale of Hardness is | DIAMOND |
Each mineral on the scale can scratch a HIGHER or LOWER mineral? | LOWER |
What mineral is used for toothpaste? | FLUORITE |
Minerals that are mined because they contain useful metals and nonmetals. | ORES |
Gemstones that are rare. | PRECIOUS STONES |
Gemstones that are easy to find. | SEMI-PRECIOUS STONES |
What mineral can cut glass? | DIAMOND |
A German scientist who developed the Moh's Scale of hardness. (lists minerals with a 1 being the softest and 10 the hardest)t | Friedrich Mohs |
If a mineral is identified as metallic or nonmetallic, what property is being used? | LUSTER |
Always shine like metal. | METALLIC |
Does NOT shine like metal. | NONMETALLIC |
Real name is halite and used on food. | SALT |
Is the softest mineral and can be scratched with your fingernail. | TALC |
Physical property of a mineral that causes it to break along SMOOTH, FLAT surfaces. | CLEAVAGE |
Physical property of a mineral that causes it to break with ROUGH edges. | FRACTURE |
A mineral called fool's gold. | PYRITE |