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Fortification Agate
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About Fortification Agate
Formula:
SiO2
Agate with sharp-angled bands which resemble the outlines of fortifications of a castle.
Unique Identifiers
Mindat ID:
7602 (as Fortification Agate)
3337 (as Quartz)
3337 (as Quartz)
Long-form identifier:
mindat:1:1:7602:5 (as Fortification Agate)
mindat:1:1:3337:0 (as Quartz)
mindat:1:1:3337:0 (as Quartz)
Chemistry of Fortification Agate
Mindat Formula:
SiO2
Elements listed:
Other Language Names for Fortification Agate
German:Festungsachat
Varieties of Fortification Agate
| Fairburn Agate | A unique and rare variety of Fortification Agate from Fairburn, Custer Co., South Dakota, USA. |
Common Associates
Associations Based on Photo Data:
| 21 photos of Fortification Agate associated with 'Agate' | SiO2 |
| 16 photos of Fortification Agate associated with Quartz | SiO2 |
| 6 photos of Fortification Agate associated with 'Moss Agate' | SiO2 |
| 2 photos of Fortification Agate associated with 'Sagenite (of Kunz)' | SiO2 |
| 1 photo of Fortification Agate associated with 'Laguna Agate' | SiO2 |
| 1 photo of Fortification Agate associated with 'Chert' | |
| 1 photo of Fortification Agate associated with 'Fairburn Agate' | SiO2 |
Other Information
Health Risks:
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 Fortification Agate
mindat.org URL:
https://www.mindat.org/min-7602.html
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References for Fortification Agate
Reference List:
Localities for Fortification Agate
Showing 56 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Australia | |
Canada | |
| Ormerod et al. (1964) |
| Leiper (1966) | |
| Jackson et al. (1832) |
Iran | |
Mexico | |
| Shaub (1979) |
Panama | |
| Freehan (1936) |
South America | |
UK | |
| |
USA | |
| Hunter |
| Richards (1956a) +1 other reference |
| Simpson |
|
Rancho Borunda, Estacion Ojo Laguna, Ahumada Municipality, Chihuahua, Mexico