[1] : The Collaborative International Dictionary of English v.0.48

quartzite \quartz"ite\, n. cf. f. quartzite. min.
   massive quartz occurring as a rock; a metamorphosed
   sandstone; -- called also quartz rock.
   1913 webster
see also:
quartz rock 

Quartz >> Q Words
Quartz, definition of term: Quartz
quartz_pag1.html

Plymouth Rock >> P Words
Plymouth Rock, definition of term: Plymouth Rock
plymouth+rock_pag1.html

Plutonic Rock >> P Words
Plutonic Rock, definition of term: Plutonic Rock
plutonic+rock_pag1.html

Paint Rock >> P Words
Paint Rock, definition of term: Paint Rock
paint+rock_pag1.html

Igneous Rock >> I Words
Igneous Rock, definition of term: Igneous Rock
igneous+rock_pag1.html