Pietersite
A variety of 'Chalcedony' [Quartz]
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About Pietersite
Formula:
SiO2
Chalcedony with embedded fibers of amphibole minerals with varying degrees of alteration. Blue-gray, brown and yellow colors. The fibers cause a chatoyancy similar to that seen in tiger's eye, but tiger's eye is not made of chalcedony, it is macrocrystalline quartz.
Visit gemdat.org for gemological information about Pietersite.
Visit gemdat.org for gemological information about Pietersite.Unique Identifiers
Mindat ID:
27262 (as Pietersite)
3337 (as Quartz)
3337 (as Quartz)
Long-form identifier:
mindat:1:1:27262:1 (as Pietersite)
mindat:1:1:3337:0 (as Quartz)
mindat:1:1:3337:0 (as Quartz)
Similar Names
| Petarasite | A valid IMA mineral species | Na5Zr2(Si6O18)(Cl,OH) · 2H2O |
| Petersenite-(Ce) | A valid IMA mineral species | Na4(Ce,La,Nd)2(CO3)5 |
| Petersite | A synonym | |
| Petersite-(Ce) | A valid IMA mineral species | CeCu6(PO4)3(OH)6 · 3H2O |
| Petersite-(La) | A valid IMA mineral species | LaCu6(PO4)3(OH)6 · 3H2O |
| Petersite-(Y) | A valid IMA mineral species | YCu6(PO4)3(OH)6 · 3H2O |
Chemistry of Pietersite
Mindat Formula:
SiO2
Elements listed:
Synonyms of Pietersite
Common Associates
Associations Based on Photo Data:
| 1 photo of Pietersite associated with Riebeckite | ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2 |
| 1 photo of Pietersite associated with Quartz | 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 Pietersite
mindat.org URL:
https://www.mindat.org/min-27262.html
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References for Pietersite
Reference List:
Localities for Pietersite
Showing 2 localities.
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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.
China | |
| "Dan Costian" Collection |
Namibia | |
| Amir Akhavan Collection +1 other reference |
Hopewell Farm 240, Outjo, Kunene Region, Namibia