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penfieldite

halide mineral
Class type of: halide class of minerals Q411223

Facts

14 properties
Instance of
mineral species
Subclass of
halide class of minerals
Chemical formula
Pb₂Cl₃(OH)[4]
Crystal system
hexagonal crystal system[5]
Described by source
On penfieldite, a new species[12]
IMA Mineral Symbol
Pfd[14]
IMA status and/or rank
grandfathered mineral (G)[6]
Named after
Samuel L. Penfield[3]
Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
3.DC.15[11]
Nickel-Strunz 9th edition (updated 2009)
3.DC.15[10]
Point group
trigonal-dipyramidal[7]
Space group
trigonal-dipyramidal[8]
Strunz 8th edition (series ID, updated)
III/C.06[9]
Type locality (geology)
Laurium[13]
🏷️ Also known as
en penfieldite de Penfieldit el Πενφιλντίτης es Penfieldita pl Penfieldyt ru Пенфильдит uk Пенфільдит
🔖 Identifiers · 4
Image (Wikimedia Commons)
Penfieldite-205451.jpg ↗
COD ID
9009499
Google Knowledge Graph ID
/g/120wrczq
Mindat mineral ID
3146

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🔗 Connections
Subclass of 1
halide class of minerals
Type locality (geology) 1
Laurium
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Summary

penfieldite is a mineral species[1]. penfieldite is a type of halide class of minerals[2].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . On penfieldite, a new species. wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [2] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . IMA/CNMNC List of Mineral Names (March 2007). wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . Mineralogische Tabellen : Eine Klassifizierung der Mineralien auf kristallchemischer Grundlage, mit einer Einfuhrung in die Kristallchemie (1982). wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . Mindat.org. wikidata.org.
  13. [14] ↑ . IMA–CNMNC approved mineral symbols. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). penfieldite. Retrieved November 4, 2026, from https://4ort.xyz/entity/penfieldite
MLA “penfieldite.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 2026, https://4ort.xyz/entity/penfieldite.
BibTeX @misc{4ortxyz_penfieldite_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{penfieldite}}, year = {2026}, url = {https://4ort.xyz/entity/penfieldite}, note = {Accessed: 2026-11-04}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): penfieldite — https://4ort.xyz/entity/penfieldite (retrieved 2026-11-04)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 6d ago · İmmortalance · 2026-10-31 view diff on Wikidata ↗
    Wikipedia languages → ['ca', 'commons', 'de', 'el', 'en', 'es', 'eu', 'it', 'pl', 'ru', 'tr', 'uk']
    Sitelink count → 12
    "/* wbsetlabel-add:1|tr */ Penfieldit, [[:toollabs:quickstatements/#/batch/292984|batch #292984]]"
  2. 10w ago · Baum64 · 2026-08-23 view diff on Wikidata ↗
    Point group → trigonal-dipyramidal
    "/* wbcreateclaim-create:1| */ Point group: trigonal-dipyramidal, [[:toollabs:quickstatements/#/batch/269342|batch #269342]]"
  3. 11w ago · Baum64 · 2026-08-17 view diff on Wikidata ↗
    Crystal system → hexagonal crystal system
    Named after → —
    Described by source → On penfieldite, a new species
    Subclass of → —
    + 9 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ COD ID: 9009499, [[:toollabs:quickstatements/#/batch/269093|batch #269093]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.