Stannomicrolite (of Hogarth 1977)
A variety of Microlite Group
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About Stannomicrolite (of Hogarth 1977)
Formula:
(Sn2+,Fe2+,Mn2+)2(Ta,Nb,Sn4+)2(O,OH)7
Original formula as given in Hey's 3rd Ed.
Colour:
Yellow-brown intergrowths
Hardness:
4½ - 5½
Name:
In allusion to its alleged tin (Latin "STANNum") content and relationship to microlite.
The stannomicrolite species of Ercit et al. (1987) [“sukulaite” of Vorma & Siivola (1967)] is oxystannomicrolite. The stannomicrolite of Uher et al. (2008) is a calciomicrolite or a zero valent dominant member of the microlite group.
Unique Identifiers
Mindat ID:
3749 (as Stannomicrolite (of Hogarth 1977))
2705 (as Microlite Group)
2705 (as Microlite Group)
Long-form identifier:
mindat:1:1:3749:1 (as Stannomicrolite (of Hogarth 1977))
mindat:1:1:2705:8 (as Microlite Group)
mindat:1:1:2705:8 (as Microlite Group)
IMA Classification of Stannomicrolite (of Hogarth 1977)
Discredited
Classification of Stannomicrolite (of Hogarth 1977)
8.2.2.6
8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
2 : A2B2O6(O,OH,F)
8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
2 : A2B2O6(O,OH,F)
18.1.22
18 : Niobates and Tantalates
1 : Niobates and tantalates containing neither rare earths nor U
18 : Niobates and Tantalates
1 : Niobates and tantalates containing neither rare earths nor U
Physical Properties of Stannomicrolite (of Hogarth 1977)
Colour:
Yellow-brown intergrowths
Hardness:
4½ - 5½ on Mohs scale
Chemistry of Stannomicrolite (of Hogarth 1977)
Mindat Formula:
(Sn2+,Fe2+,Mn2+)2(Ta,Nb,Sn4+)2(O,OH)7
Original formula as given in Hey's 3rd Ed.
Original formula as given in Hey's 3rd Ed.
Element Weights:
Other Language Names for Stannomicrolite (of Hogarth 1977)
Common Associates
Associations Based on Photo Data:
| 22 photos of Stannomicrolite (of Hogarth 1977) associated with Stokesite | CaSn[Si3O9] · 2H2O |
| 8 photos of Stannomicrolite (of Hogarth 1977) associated with Lepidolite | |
| 6 photos of Stannomicrolite (of Hogarth 1977) associated with Albite | Na(AlSi3O8) |
| 2 photos of Stannomicrolite (of Hogarth 1977) associated with 'Cleavelandite' | Na(AlSi3O8) |
| 1 photo of Stannomicrolite (of Hogarth 1977) associated with 'Uranmicrolite (of Hogarth 1977)' | (Ca,U,Na)2-x(Ta,Nb)2(O,OH)7 |
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 Stannomicrolite (of Hogarth 1977)
mindat.org URL:
https://www.mindat.org/min-3749.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Stannomicrolite (of Hogarth 1977)
Reference List:
Hogarth, D. D. (1977) Classification and nomenclature of the pyrochlore group. American Mineralogist, 62 (5-6) 403-410
Localities for Stannomicrolite (of Hogarth 1977)
Showing 4 localities.
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.
Brazil | |
| Excalibur Mineral Company specimen +1 other reference |
Finland | |
| Vorma et al. (1967) +2 other references |
Sweden | |
| |
USA | |
| Foord (1977) +1 other reference |
Urucum claim, Barra do Cuieté, Conselheiro Pena, Minas Gerais, Brazil