Juddite
A discredited species name
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About Juddite
John Wesley Judd
Name:
Juddite was named by Lewis Leigh Fermor in 1908 in honor of John Wesley Judd [February 18, 1840 – March 3, 1916]. Judd was a field geologist and petrologist for the British Geological Survey and later professor of geology at the Imperial (Royal) College in London, England.
A Mixture Of:
Red Mn-bearing amphibole with variable compositions. Juddite was originally defined (1908) as a manganiferous amphibole with intense pleochroism (carmine, blue or green, and orange), and with the optic axial plane is perpendicular to the plane of symmetry.
Leake (1978) set juddite as a variety of arfvedsonite based on data provided by Bilgrami(1955). Later reviews of juddite analyses has shown a wide variation of compositions in the sodioum and sodium-calcium amphibole subgroups. Leakeite group and dellaventuraite group amphiboles was first described from juddite-like material
Leake (1978) set juddite as a variety of arfvedsonite based on data provided by Bilgrami(1955). Later reviews of juddite analyses has shown a wide variation of compositions in the sodioum and sodium-calcium amphibole subgroups. Leakeite group and dellaventuraite group amphiboles was first described from juddite-like material
Unique Identifiers
Mindat ID:
11190
Long-form identifier:
mindat:1:1:11190:4
GUID
(UUID V4):
(UUID V4):
4e830ae7-c8a7-43bc-a330-f6cc74b493e4
IMA Classification of Juddite
Discredited
Other Language Names for Juddite
Common Associates
Associated Minerals Based on Photo Data:
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 Juddite
mindat.org URL:
https://www.mindat.org/min-11190.html
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References for Juddite
Localities for Juddite
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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.
India | |
| Kilpady (1964) |
| Roy et al. (1968) |
| Nayak (1966) |
| Bilgrami (1955) |
South Tirodi Mine, Tirodi, Balaghat District, Jabalpur Division, Madhya Pradesh, India