Star Quartz
A variety of Quartz
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About Star Quartz
Formula:
SiO2
Refers to the shape of an aggregate of radiating crystals; not to be confused with the optical property "asterism".
Star quartz usually grows at low temperature, often around a core of chalcedony.
Star quartz usually grows at low temperature, often around a core of chalcedony.
Unique Identifiers
Mindat ID:
398 (as Star Quartz)
3337 (as Quartz)
3337 (as Quartz)
Long-form identifier:
mindat:1:1:398:8 (as Star Quartz)
mindat:1:1:3337:0 (as Quartz)
mindat:1:1:3337:0 (as Quartz)
Chemistry of Star Quartz
Mindat Formula:
SiO2
Elements listed:
Synonyms of Star Quartz
Other Language Names for Star Quartz
German:Sternquarz
Common Associates
Associations Based on Photo Data:
| 19 photos of Star Quartz associated with Dolomite | CaMg(CO3)2 |
| 19 photos of Star Quartz associated with Sphalerite | ZnS |
| 16 photos of Star Quartz associated with Chalcostibite | CuSbS2 |
| 12 photos of Star Quartz associated with Tennantite Subgroup | Cu6(Cu4C2+2)As4S12S |
| 9 photos of Star Quartz associated with Pyrite | FeS2 |
| 7 photos of Star Quartz associated with Galena | PbS |
| 4 photos of Star Quartz associated with 'Chalcedony' | SiO2 |
| 3 photos of Star Quartz associated with Hematite | Fe2O3 |
| 2 photos of Star Quartz associated with Berzelianite | Cu2-xSe (x ≈ 0.12) |
| 1 photo of Star Quartz associated with Calcite | CaCO3 |
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 Star Quartz
mindat.org URL:
https://www.mindat.org/min-398.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Star Quartz
Localities for Star Quartz
Showing 27 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.
Austria | |
| Kiesewetter (2000) |
| Quartz crystals of variable quality on ... +1 other reference | |
| BRANDSTETTER +1 other reference |
Czech Republic | |
| Doubek (1996) |
| Kaltofen (1958) |
| Kunert (1996) |
| Jirásek |
Germany | |
| Stettner (1959) +1 other reference |
Italy | |
| Dallegno et al. (Southern Tuscany) +4 other references |
USA | |
| Edward Rogers collection |
| |
| Nicolay & Stone (1967) |
| Nicolay & Stone (1967) | |
| |
| Rocks & Min. 40:11 | |
| Dietrich (1990) |
| Dietrich (1990) | |
| Dietrich (1990) | |
| Virginia Minerals (1998) |
| Virginia Minerals (1998) |
| Dietrich (1990) |
| Dietrich (1990) |
| Dietrich (1990) | |
| Dietrich (1990) | |
| Dietrich (1990) |
| Dietrich (1990) |
| Dietrich (1990) |
Strážník hill, Peřimov, Semily District, Liberec Region, Czech Republic