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Ch3S1
What is a mineral?
| Question | Answer |
|---|---|
| What are the four criteria something must meet to be considered a mineral? | 1) Naturally formed 2) Solid 3) Nonliving (Inorganic or Abiotic) 4) Crystal Structure (Crystalline Structure) |
| The smallest part of an element that has all the properties of that element? | Atom |
| The solid, geometric forms of minerals produced by a repeating pattern of atoms | Crystal |
| A substance made of two or more elements | Compound |
| Pure substances that cannot be broken down by ordinary chemical means | Elements |
| The most common classification of minerals is based on _____________ composition (or the elements its made up of) | Chemical |
| Minerals are divided into two groups based on their chemical composition, or the elements they are made of. What are the two groups? | 1) Silicate Minerals 2) Nonsilicate Minerals |
| This group of minerals contains BOTH silicon (Si) and oxygen (O). | Silicate Minerals |
| These are the two most abundant elements on the Earth's crust | 1) Silicon (Si) 2) Oxygen (O) |
| This group of minerals contains silicon (Si) OR oxygen (O), but not both at the same time. | Nonsilicate Minerals |
| This group of minerals makes up 90% of the Earth's crust. (Most minerals are found in this group) | Silicate Minerals |
| This group of minerals can also contain the elements carbon, iron, and sulfur. | Nonsilicate Minerals |
| This group of minerals can also contain aluminum, iron, potassium and magnesium. | Silicate Minerals |
| True or False Rocks and minerals are not the same. | True |
| Minerals make up _______________ | Rocks |
| Rocks are made of ______________ | Minerals |
| Minerals are made of _________________ | Elements |
| Elements are made of ________________ | Atoms |
| Most minerals are ________________, which means made of two or more elements joined together chemically. | Compounds |
| True or False All minerals are made of 2 or more elements. | False Some minerals can be made up of only one element, such as gold or silver |
| The way a surface reflects light | Luster |
| The color of a mineral in powdered form | Streak |
| The tendency of some minerals to break along flat surfaces | Cleavage |
| The tendency of some minerals to break unevenly along curved or irregular surfaces | Fracture |
| A minerals resistance to being scratched | Hardness |
| The measure of how much matter there is in a given amount of space | Density |
| Comparing the density of an object to the density of water (1.00 g/cm3) | Specific Gravity |
| Two things that can change the color of a mineral | Weathering and impurities |
| The three categories of luster | 1) Metallic 2) Submetallic 3) Nonmetallic |
Created by:
MissReed84
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