Quartzite

 Five Interesting facts are- 1. Quartzite often occur in various shades of pink and red due to varying amounts of oxide. 2.Quartzite is very resistant to chemical weathering.  3.Quartzite usually forms on ridges and resistant hilltops. =            4.Quartzite ridges are often bare and covered by thin soil. = =    <span style="color: rgb(39, 230, 236);">         = <span style="color: rgb(239, 127, 31);"><span style="font-size: 150%; color: rgb(39, 236, 152);"><span style="font-size: 150%; color: rgb(68, 243, 90);">    <span style="color: rgb(39, 230, 236);"> 5.Orthoquartzite is a very pure sandstone. __color is white gray and red__ Five Uses 1.Railway Ballast 2.Decrative Items 3.Raw meterals for glass 4.Arrow Heads It forms on hillsides in bare land 5.Cabochon Link: http://images.google.com/imgres?imgurl=http://www.answersincreation.org/curriculum/geology/images/Quartzite_2_jpg.jpg&imgrefurl=htthttp://images.google.com/imgres?imgurl=http://the-plant-directory.co.uk/images/irish-quartzite-rockery.jpg&imgrefurl=http://the-plant-directory.co.uk/%3Fproducts_id%3D408&usg=__E7LD-9RuuM4Dr89TPfp4FJOF94Q=&h=960&w=1280&sz=348&hl=en&start=15&um=1&tbnid=mbr5csZF4gtFhM:&tbnh=113&tbnw=150&prev=/images%3Fq%3Dquartzite%26um%3D1%26hl%3Den%26sa%3DNp://www.answersincreation.org/curriculum/geology/geology_chapter_7.htm&usg=__yU9qQzfU9FsKQ9JHrSudE9vNQII=&h=307&w=360&sz=35&hl=en&start=1&um=1&tbnid=1_jjd52OSA_gDM:&tbnh=103&tbnw=121&prev=/images%3Fq%3Dquartzite%26um%3D1%26hl%3Den%26sa%3DN