| Term 
 
        | the major anion in the most important rock-forming minerals in the? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | the most abundant of silicate minerals are the? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | the mineral commonly used as the abrasive in household cleaners is |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Minerals whos structures are dominated by the ionic bonding would be expected to be? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | the least useful physical property for identification is? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | the softness of minerals such as graphite is due to? |  | Definition 
 
        | the pressure of the van der Waals bonding within the lattice. |  | 
        |  | 
        
        | Term 
 
        | the softest known mineral is? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | the most abundant element in the earths crust is? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | the name assigend to a atom is determined by the number of? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | the kind of bond that dominates in materials that exhibit high resistence to chemical attack is? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | the hardest known substance is? |  | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 | 
        |  | 
        
        | Term 
 
        | coal is not a mineral because? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | the type of chemical bonding where electrons are shared is called? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | the type of chemical bonding where electrons are shared is called? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | an example of a silicate mineral with a sheet structure is? |  | Definition 
 | 
        |  |