diatomite
Image credit: James St. John
Click image to enlarge.
SiO2 does NOT react to dilute, cold, HCl (acid)
Image credit: Scott Brande, CC4.0 License
Click image to enlarge.
friable - crumbles, pulverizes, or easily scrapes off
Image credit: Scott Brande, CC4.0 License
Resources: diatomite
Resources: diatomite
Image Galleries
Image Galleries
- Flickr Image gallery, James St. John: diatomite
- Mindat.org image gallery: diatomite
- Google images: diatomite
Other Resources
Other Resources
- Mindat.org: About diatomite
- minerals and mining diatomite in Minerals Education Coalition
- Sandatlas: diatomaceous earth