Wollastonite-5A
A structural variant of Wollastonite
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William Hyde Wollaston
Formula:
Ca3(Si3O9)
Crystal System:
Triclinic
Name:
Named in honour of William Hyde Wollaston (6 August 1766, East Dereham, Norfolk, England, UK - 22 December 1828, London, England, UK), English chemist and mineralogist who discovered palladium (1804) and rhodium (1809) and invented the reflecting goniometer (1809) and the camera lucida (1812).
A polytype of Wollastonite
One of three possible stacking 5T sequence sequences.
The cell data are for the 5T1 polytype (Henmi et al., 1983).
One of three possible stacking 5T sequence sequences.
The cell data are for the 5T1 polytype (Henmi et al., 1983).
Unique Identifiers
Mindat ID:
35307
Long-form identifier:
mindat:1:1:35307:8
Similar Names
| Wollastonite-1T | A synonym of Wollastonite-1A | CaSiO3 |
| Wollastonite-3T | A synonym of Wollastonite-3A | Ca3(Si3O9) |
| Wollastonite-4T | A synonym of Wollastonite-4A | Ca3(Si3O9) |
| Wollastonite-7T | A synonym of Wollastonite-7A | CaSiO3 |
Chemistry of Wollastonite-5A
Mindat Formula:
Ca3(Si3O9)
Element Weights:
Elements listed:
Crystallography of Wollastonite-5A
Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 38.6(1) Å, b = 7.30(3) Å, c = 7.06(3) Å
α = 90.0°, β = 95.5(2)°, γ = 98.0(2)°
α = 90.0°, β = 95.5(2)°, γ = 98.0(2)°
Ratio:
a:b:c = 5.288 : 1 : 0.967
Unit Cell V:
1,960.76 ų (Calculated from Unit Cell)
Synonyms of Wollastonite-5A
Other Language Names for Wollastonite-5A
Russian:Волластонит-5A
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 Wollastonite-5A
mindat.org URL:
https://www.mindat.org/min-35307.html
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References for Wollastonite-5A
Localities for Wollastonite-5A
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.
Japan | |
| Henmi et al. (1983) |
