Neither, "metals" are elements and "non-metals" are elements, whereas quartzite is a compound of different elements.
Wikipedia says that quartzite is pressurized sandstone. Sandstone is mostly made of molecules that are (alkali metal)(maybe some other metal)(silicon)(oxygen). Some examples are KAlSi3O8 and NaAlSi3O8. Here, K, Na, and Al are metals, but Si and O are non-metals, and they could all be in quartzite at the same time. (Well actually, Si can be considered something in-between.)
Fluorite is a mineral whose beauty makes it useful as a gemstone in many cases. It is a metallic mineral.
Topaz is non-metallic mineral. It is a silicate mineral, which are generally non-metallic. Metallics are usually sulfides or elements, like pyrite, bornite, or gold and copper.
Quartz luster is non-metallic
mineral.
Quartzite is crystalline.
Quartzite, marble, and metabasalt are non-foliated metamorphic rocks..................................... i like dots
Examples of non-foliated metamorphic rocks are quartzite and marble.
Marble and quartzite
Non-foliated metamorphic rocks such as marble and quartzite which do not have a layered or banded appearance.
Neon is a non-metal. It is one of the Noble Gasses which are all non-metals.
Non metal
Oxygon is a non-metal
Quartzite is a non-foliated metamorphic rock. - sorry if I'm wrong.
What is the nickname for quartzite
quartzite
Non metal