Ferri-winchite (of Leake 1978)
A discredited species name
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This name was rejected as a valid mineral, but new material has been analysed from the Ilmeny Mts in Russia and this has now been approved as a new mineral species Ferriwinchite. Localities listed below need to be re-examined, and may be better listed as localities for Ferrian Winchite.
Originally described from Kajlidongri mine, Jhabua District, Madhya Pradesh, India.
Originally described from Kajlidongri mine, Jhabua District, Madhya Pradesh, India.
Unique Identifiers
Mindat ID:
1489
Long-form identifier:
mindat:1:1:1489:8
GUID
(UUID V4):
(UUID V4):
e88ff75f-eab1-4e6b-9439-af60435b837c
IMA Classification of Ferri-winchite (of Leake 1978)
Discredited
Classification of Ferri-winchite (of Leake 1978)
14.25.2
14 : Silicates not Containing Aluminum
25 : Silicates of Fe, Ca and alkalis and of Fe, Mg, Ca and alkalis
14 : Silicates not Containing Aluminum
25 : Silicates of Fe, Ca and alkalis and of Fe, Mg, Ca and alkalis
Optical Data of Ferri-winchite (of Leake 1978)
Type:
Biaxial (-)
RI values:
nα = 1.636 nβ = 1.646 nγ = 1.658
2V:
Measured: 82° , Calculated: 86°
Max Birefringence:
δ = 0.022
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
weak
Synonyms of Ferri-winchite (of Leake 1978)
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 Ferri-winchite (of Leake 1978)
mindat.org URL:
https://www.mindat.org/min-1489.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Ferri-winchite (of Leake 1978)
Reference List:
Localities for Ferri-winchite (of Leake 1978)
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.
Chile | |
| Willner et al. (2001) |
Russia | |
| Canadian Mineralogist 39 (1) |
