Heritage Auctions Presents: The Dan Kennedy Fine Minerals Collection Part II - Auction Live now, ends October 8th
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral Quiz
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Siliceous-rock

A rock classification type
This page is currently not sponsored. Click here to sponsor this page.
00324510017271922034821.jpg
Flint

Dyke Park, Stamford, Fairfield County, Connecticut, USA
03908190017271922054631.jpg
Flint

Pices Fanes, Mareo, Puster Valley District, South Tyrol, Trentino-Alto Adige, Italy
04948990017271922092044.jpg
Chert

Owingsville, Bath County, Kentucky, USA
00324510017271922034821.jpg
Flint

Dyke Park, Stamford, Fairfield County, Connecticut, USA
03908190017271922054631.jpg
Flint

Pices Fanes, Mareo, Puster Valley District, South Tyrol, Trentino-Alto Adige, Italy
04948990017271922092044.jpg
Chert

Owingsville, Bath County, Kentucky, USA
00324510017271922034821.jpg
Flint

Dyke Park, Stamford, Fairfield County, Connecticut, USA
03908190017271922054631.jpg
Flint

Pices Fanes, Mareo, Puster Valley District, South Tyrol, Trentino-Alto Adige, Italy
Hide all sections | Show all sections

About Siliceous-rockHide

Rocks composed of more than 50% silica of biogenic or chemical origin.


Unique IdentifiersHide

Mindat ID:
49374
Long-form identifier:
mindat:1:1:49374:7

Classification of Siliceous-rockHide

Sub-divisions of Siliceous-rockHide

Mineralogy of Siliceous-rockHide

Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Opal-ASiO2 · nH2O
Silica > Opal-CSiO2 · nH2O
Silica > Opal-CTSiO2 · nH2O
Silica > QuartzSiO2

Internet Links for Siliceous-rockHide

References for Siliceous-rockHide

Reference List:
Quick NavTopAbout Siliceous-rockUnique IdentifiersClassification Sub-divisions Mineralogy Internet Links References
 
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2025, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: October 6, 2025 10:38:22 Page updated: August 11, 2025 23:44:29
Go to top of page