Wollastonite-2M
A structural variant of Wollastonite
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About Wollastonite-2M
Formula:
CaSiO3
Colour:
White
Lustre:
Vitreous, Silky
Hardness:
5
Crystal System:
Monoclinic
Name:
Named after William Hyde Wollaston (1766-1828), english chemist and mineralogist who discovered palladium (1804) and rhodium (1809) and invented the reflecting goniometer (1809) and the camera lucida (1812).
Unique Identifiers
Mindat ID:
4306
Long-form identifier:
mindat:1:1:4306:5
GUID
(UUID V4):
(UUID V4):
1b80c124-311a-4610-a2ea-f66121409119
Classification of Wollastonite-2M
65.2.1.1b
65 : INOSILICATES Single-Width,Unbranched Chains,(W=1)
2 : Single-Width Unbranched Chains, W=1 with chains P=3
65 : INOSILICATES Single-Width,Unbranched Chains,(W=1)
2 : Single-Width Unbranched Chains, W=1 with chains P=3
14.5.3
14 : Silicates not Containing Aluminum
5 : Silicates of Ca
14 : Silicates not Containing Aluminum
5 : Silicates of Ca
Physical Properties of Wollastonite-2M
Chemistry of Wollastonite-2M
Mindat Formula:
CaSiO3
Elements listed:
Crystallography of Wollastonite-2M
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/a
Cell Parameters:
a = 15.409(3) Å, b = 7.322(1) Å, c = 7.063(1) Å
β = 95.30(2)°
β = 95.30(2)°
Ratio:
a:b:c = 2.104 : 1 : 0.965
Unit Cell V:
793.47 ų (Calculated from Unit Cell)
Z:
12
Other Language Names for Wollastonite-2M
Russian:Волластонит-2M
Common Associates
Associated Minerals Based on Photo Data:
| 8 photos of Wollastonite-2M associated with Sarabauite | CaSb3+10S6O10 |
| 4 photos of Wollastonite-2M associated with Grossular | Ca3Al2(SiO4)3 |
| 2 photos of Wollastonite-2M associated with Stibnite | Sb2S3 |
| 1 photo of Wollastonite-2M associated with Quartz | SiO2 |
| 1 photo of Wollastonite-2M associated with Pyrrhotite | Fe1-xS |
| 1 photo of Wollastonite-2M 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 Wollastonite-2M
mindat.org URL:
https://www.mindat.org/min-4306.html
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References for Wollastonite-2M
Reference List:
Localities for Wollastonite-2M
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.
Bulgaria | |
| Yana Tzvetanova et al. (2018) |
China | |
| Zongxun Chen (1986) |
Italy | |
| ... |
| Bedognè et al. (2006) |
| Bortolozzi (n.d.) |
| Demartin et al. (2006) |
Japan | |
| Henmi et al. (1983) |
Malaysia | |
| |
Mexico | |
| Brenker et al. (2002) |
Romania | |
| Marincea +4 other references |
| Marincea et al. (2014, September) |
USA | |
| Walstrom (n.d.) |
| [micromounts@yahoogroups.com] |
Sarabau Mine, Bau, Kuching Division, Sarawak, Malaysia