Quartzite
A rock classification type
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About Quartzite
This term usually infers a regionally metamorphosed quartz-sandstone, but the term is commonly also used as a field term for orthoquartzite (a sedimentary rock), secondary quartzite and paraquartzite.
i. A granoblastic metamorphic rock consisting mainly of quartz and formed by recrystallization of sandstone or chert by either regional or thermal metamorphism; metaquartzite. A granulose metamorphic rock consisting essentially of quartz.
Ref: Holmes, 1
ii. A very hard but unmetamorphosed sandstone, consisting chiefly of quartz grains that are so completely cemented with secondary silica that the rock breaks through the grains rather than around them; an orthoquartzite. Sandstone cemented by silica that has grown in optical continuity around each fragment. Cf: ganister
Ref: AGI
Ref: USBM, 7
iii. As used in a general sense by drillers, a very hard, dense sandstone.
Ref: Long
Visit gemdat.org for gemological information about Quartzite.
i. A granoblastic metamorphic rock consisting mainly of quartz and formed by recrystallization of sandstone or chert by either regional or thermal metamorphism; metaquartzite. A granulose metamorphic rock consisting essentially of quartz.
Ref: Holmes, 1
ii. A very hard but unmetamorphosed sandstone, consisting chiefly of quartz grains that are so completely cemented with secondary silica that the rock breaks through the grains rather than around them; an orthoquartzite. Sandstone cemented by silica that has grown in optical continuity around each fragment. Cf: ganister
Ref: AGI
Ref: USBM, 7
iii. As used in a general sense by drillers, a very hard, dense sandstone.
Ref: Long
Visit gemdat.org for gemological information about Quartzite.Unique Identifiers
Mindat ID:
51087
Long-form identifier:
mindat:1:1:51087:7
GUID
(UUID V4):
(UUID V4):
c70fa36f-12a7-4c73-bad5-e3d2e4b3ddc4
Classification of Quartzite
- Rock
- Unclassified rock
- Quartzite
- Unclassified rock
Sub-divisions of Quartzite
Mineralogy of Quartzite
Essential minerals - these are minerals that are required within the classification of this rock:
Pronunciation of Quartzite
Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Jolyon Ralph | United Kingdom |
Other Language Names for Quartzite
Czech:Kvarcite
Malagasy:Vatovary-silisa
Common Associates
Associated Minerals Based on Photo Data:
| 15 photos of Quartzite associated with Dumortierite | Al(Al2O)(Al2O)2(SiO4)3(BO3) |
| 3 photos of Quartzite associated with Quartz | SiO2 |
| 3 photos of Quartzite associated with Fuchsite | K(Al,Cr)3Si3O10(OH)2 |
| 3 photos of Quartzite associated with Copper | Cu |
| 3 photos of Quartzite associated with Creedite | Ca3SO4Al2F8(OH)2 · 2H2O |
| 2 photos of Quartzite associated with Pseudomalachite | Cu5(PO4)2(OH)4 |
| 2 photos of Quartzite associated with Muscovite | KAl2(AlSi3O10)(OH)2 |
| 2 photos of Quartzite associated with Limonite | |
| 2 photos of Quartzite associated with Azurite | Cu3(CO3)2(OH)2 |
| 2 photos of Quartzite associated with Malachite | Cu2(CO3)(OH)2 |
Internet Links for Quartzite
mindat.org URL:
https://www.mindat.org/min-51087.html
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References for Quartzite
Reference List:
Cap de Creus, Cadaqués, Girona, Catalonia, Spain