| Home Page | Log In | Message Board | The Mindat Directory |
| Register | Search Pages | Mineral Chatroom | The Mindat Store |
|
|
|
| Formula: |
| |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| System: | Trigonal | Lustre: | Pearly | |||||||||
| Hardness: | 2 | |||||||||||
| Name: | For Dr. Giancarlo Brizzi (1936-1992) who discovered the mineral. | |||||||||||
Classification of Brizziite-VII | ||||||||||
| mindat.org URL: | http://www.mindat.org/min-6836.html Please feel free to link to this page. | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Physical Properties of Brizziite-VII | ||||||||||
| Lustre: | Pearly | |||||||||
| Hardness (Mohs): | 2 | |||||||||
Crystallography of Brizziite-VII | ||||||||||
| Crystal System: | Trigonal | |||||||||
Optical Data of Brizziite-VII | ||||||||||
| Type: | Uniaxial (-) | |||||||||
| RI values: | nω = 1.840 nε = 1.631 | |||||||||
| Maximum Birefringence: | δ = 0.209 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. | |||||||||
| Surface Relief: | High | |||||||||
Chemical Properties of Brizziite-VII | ||||||||||
| Formula: |
| |||||||||
| Essential elements: | Na, O, Sb | |||||||||
| All elements listed in formula: | Na, O, Sb | |||||||||
Other Information | ||||||||||
| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. | |||||||||
Internet Links for Brizziite-VII | ||||||||||
| Search Engines: |
| |||||||||
| Mineral Dealers: | ||||||||||
| Jobs: | ||||||||||
Mineral and Locality SearchOptions| Fade toolbar when not in focus | Fix toolbar to bottom of page | ||
|---|---|---|---|
| Hide Social Media Links | |||
| Slideshow frame delay | seconds | ||
