Wollastonite-7A
A structural variant of Wollastonite
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About Wollastonite-7A
Formula:
CaSiO3
Colour:
White
Lustre:
Vitreous
Hardness:
5
Crystal System:
Triclinic
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).
A polytype of Wollastonite
The polytype wollastonite-7A (also known as -7T) was originally described from Fuka mine, Bitchu-cho (Bicchu-cho), Takahashi, Okayama Prefecture, Chugoku Region, Honshu Island, Japan.
The polytype wollastonite-7A (also known as -7T) was originally described from Fuka mine, Bitchu-cho (Bicchu-cho), Takahashi, Okayama Prefecture, Chugoku Region, Honshu Island, Japan.
Unique Identifiers
Mindat ID:
7370
Long-form identifier:
mindat:1:1:7370:3
GUID
(UUID V4):
(UUID V4):
50ac0d8c-d357-447e-a0fe-2326dd1f3755
Physical Properties of Wollastonite-7A
Chemistry of Wollastonite-7A
Mindat Formula:
CaSiO3
Elements listed:
Crystallography of Wollastonite-7A
Crystal System:
Triclinic
Synonyms of Wollastonite-7A
Other Language Names for Wollastonite-7A
Russian:Волластонит-7T
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-7A
mindat.org URL:
https://www.mindat.org/min-7370.html
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Please feel free to link to this page.
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References for Wollastonite-7A
Localities for Wollastonite-7A
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).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Japan | |
| Henmi et al. (1983) |
| Henmi et al. (1978) |
Japan