Leucophoenicite Subgroup (original) (raw)
A group of related mineral species
About Leucophoenicite SubgroupHide
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Name:
The Leucophoenicite Subgroup is named after the dominant member of the subgroup, which in turn are named by Samuel Lewis Penfield and Charles Hyde Warren in 1899 from the Greek for λευκοσ "pale" and φοινιζ "purplish red" in allusion to its common color.
The leucophoenicite Subgroup minerals are unit cell-twinned polymorphs of the corresponding humite-group minerals.
The minerals in this series form a polysomatic series where the individual species are defined by the number of olivine-type layers (n) between each norbergite-type layer (Mg(OH,F)2). Ribbeite (n = 2) and jerrygibbsite (n = 4) have an orthorhombic symmetry, whereas leucophoenicite (n = 3) is monoclinic.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:46181:8
bb17bcd0-d8ab-48cb-83e5-751d2bab2482
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0014840 | Jerrygibbsite | Kato T, Ito Y, Hashimoto N (1989) The crystal structures of sonolite and jerrygibbsite Neues Jahrbuch fur Mineralogie, Monatshefte 1989 410-430 | 1989 | Franklin, New Jersey | 0 | 293 | |
| 0000206 | Leucophoenicite | Moore P B (1970) Edge-sharing silicate tetrahedra in the crystal structure of leucophoenicite American Mineralogist 55 1146-1166 |  |
1970 | Franklin, New Jersey, USA | 0 | 293 |
| 0002751 | Leucophoenicite | Welch M D, Marshall W G, Ross N L, Knight K S (2002) H positions in leucophoenicite, Mn7Si3(OH)2: A close relative of the hydrous B phases American Mineralogist 87 154-159 | |
2002 | Franklin, New Jersey, USA | 0 | 293 |
| 0001545 | Ribbeite | Freed R L, Rouse R C, Peacor D R (1993) Ribbeite, a second example of edge-sharing silicate tetrahedra in the leucophoenicite group American Mineralogist 78 190-194 | |
1993 | 0 | 293 |
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Synonyms of Leucophoenicite SubgroupHide
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Relationship of Leucophoenicite Subgroup to other SpeciesHide
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Other Members of this group:
| Chegemite Subgroup | Ca2nSinO4n · Ca(OH,F)2, n = 2,3,4 | |
|---|---|---|
| Humite Subgroup | n[Mg2(SiO4)] · Mg(OH,F)2 with n = 1, 2, 3, or 4 | |
| Manganhumite Subgroup | Mn2nSinO4n · Mn(OH,F)2, n = 2,3,4 | |
| Unnamed (Ca-analogue of Humite) | Ca7(SiO4)4F2 | Orth. m m m _(_2/_m_2/_m_2/m ) |
Structurally related to group(s):
Other InformationHide
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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 Leucophoenicite SubgroupHide
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References for Leucophoenicite SubgroupHide
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Localities for Leucophoenicite SubgroupHide
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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 
symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Locality ListHide
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- 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.