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Minerals Test Review
Mineral Test Review
Question | Answer |
---|---|
The five characteristics of all minerals are | Solid; Inorganic; Naturally occuring; Definite chemical composition; Crystal forming ability |
A scientist who studies minerals is called a | Mineralogist |
Why is a streak test important in testing a mineral? | to test the residue color of the mineral |
What is the hardness of a streak plate? | 7.5 |
What is the harness of a fingernail? | 2.5 |
Moh's Scale is a scale from | 1 - 10 |
If you streak a mineral with a hardness of an 8, 9, or 10 | it won't leave residue on the plate and may scratch the plate |
Where do minerals come from (4 places) | Magma; Lava; Evaporation; Precipitation |
The name of the scale for common items is | Field Scale |
What mineral has the special property of "Fizzing" when dropped in an acid? | Calcite |
What is the hardest mineral? | Diamond |
What is the name of the scale used to determine the hardness of a mineral (it was named after a famous geologist/mineralogist)? | Moh's |
What is the softest mineral? | Talc |
The shininess or dullness of a mineral is called | Luster |
What is the term used to describe how a mineral breaks with jagged or pointed edges and uneven surfaces? | Fracture |
What is the term used to refer to how a mineral breaks in flat planes and smooth surfaces? | Cleavage |
Why is a Jolly Rancher not a mineral? | It is man-made, not naturally occuring |
Using Moh's hardness scale to answer the following question - Will GYPSUM scratch TOPAZ? | yes |
Using Moh's hardness scale to answer the following question - will QUARTZ scratch TOPAZ? | no |
Using Moh's hardness scale to answer the following question - will DIAMOND scratch CALCITE? | yes |
What is a special property of magnetite? | it is magnetic |
What mineral has the special property of fluorescing? | Flourite |
The resistance of a mineral to being scratched is called __________. | hardness |
A common mineral that can be found in baby powder is __________. | talc |
A common mineral that can be found on the tips of dental tools is __________. | diamond |
A common mineral that can be found in toothpaste is __________. | Fluorite |
What is the crystal shape of both salt and halite? | Cube |
Does a mineral ALWAYS have the SAME color as the streak color? | No |
Can some minerals are FLUORESCENT and can glow underneath a black light? | Yes |
Can each mineral can only be found in ONE specific color? | No |
If a mineral is TRANSPARENT, that means that it is DIFFICULT to see through? | No |
Are all minerals are ORGANIC? | no |
INORGANIC means | it is NOT created from plants or animals |
When comparing streak colors of pyrite and real gold, pyrite has a __________ streak while gold has a yellow streak. | black |