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Zincowoodwardite-1T
A structural variant of Zincowoodwardite
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About Zincowoodwardite-1T
Formula:
Zn1-xAlx(OH)2[SO4]x/2 · nH2O
Crystal System:
Trigonal
Unique Identifiers
Mindat ID:
43370
Long-form identifier:
mindat:1:1:43370:9
Optical Data of Zincowoodwardite-1T
Type:
Uniaxial
RI values:
n = 1.558(2)
Surface Relief:
Low (positive)
Relative to Canada balsam mounting medium (n ≈ 1.537).
Relative to Canada balsam mounting medium (n ≈ 1.537).
This shows the grain boundary and Becke line effect under plane-polarised
light, based on the contrast between this mineral's average refractive
index and the mounting medium. It does not take into account mineral
colouration.
In focus
Chemistry of Zincowoodwardite-1T
Mindat Formula:
Zn1-xAlx(OH)2[SO4]x/2 · nH2O
Crystallography of Zincowoodwardite-1T
Crystal System:
Trigonal
Class (H-M):
3 - Rhombohedral
Space Group:
P3
Cell Parameters:
a = 3.064(4) Å, c = 8.85(2) Å
Ratio:
a:c = 1 : 2.888
Unit Cell V:
71.95 ų (Calculated from Unit Cell)
Z:
1
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 8.81 Å | (100) |
| 4.406 Å | (21) |
| 2.654 Å | (4) |
| 2.545 Å | (5) |
Synonyms of Zincowoodwardite-1T
Other Language Names for Zincowoodwardite-1T
German:Zincowoodwardit-1T
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 Zincowoodwardite-1T
mindat.org URL:
https://www.mindat.org/min-43370.html
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References for Zincowoodwardite-1T
Localities for Zincowoodwardite-1T
Showing 1 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.
Switzerland | |
| Ansermet (2012) |
Les Moulins Mine, Saint-Luc, Anniviers, Sierre, Valais, Switzerland