File:Quartzite_Sollières.jpg · Wikimedia Commons · See Wikimedia Commons
Quartzite is a hard, non-foliated metamorphic rock that forms when sandstone is subjected to heat and pressure deep within the Earth. It's valued for construction and industrial uses because of its durability and resistance to weathering, and it often has a distinctive grainy or glassy surface texture.
AI-generated from the Wikipedia summary — may contain errors.
Key facts
- Rock.name
- Quartzite
- Rock.type
- Metamorphic
- Rock.caption
- Quartzite, containing darker bands of phengite and chlorite, from Maurienne Valley in the French Alps
- Rock.composition
- Quartz
- Rock.image
- Quartzite Sollières.jpg
- Rock.protolith
- Quartz Sandstone
- Rock.fabric
- Non-foliated
via Wikipedia infobox
Wikidata facts
- Subclass of
- metamorphic rock
- Material used
- quartz
- Image
- Quartzite 2 jpg.jpg
Show 3 more facts
- Commons category
- Quartzite
- Mohs' hardness
- 7
- on focus list of Wikimedia project
- Wikipedia:Vital articles/Level/4
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Article · Deutsch
Quarzite sind fein- bis mittelkörnige metamorphe Gesteine, die mit Quarzgehalten ab 98 Prozent definiert sind. Sie zeichnen sich durch relativ große Beständigkeit gegenüber Umwelteinflüssen aus. Die Bezeichnung Quarzit wird in vielen Fällen nicht ganz zutreffend auf Sandsteine angewendet, die infolge einer Zementation durch Kieselsäure (Verkieselung) ähnlich hart sind wie echter Quarzit. Ein selten verwendeter Name für diese Kieselgesteine ist Zementquarzit.
Abstract from DBpedia / Wikipedia · CC BY-SA
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