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johannsenite

pyroxene mineral
Class type of: pyroxene Q2253090

Facts

15 properties
Instance of
mineral species
Subclass of
pyroxene
Chemical formula
CaMn²⁺Si₂O₆[4]
Crystal system
monoclinic crystal system[5]
Described by source
Johannsenite, a new manganese pyroxene[12]
IMA Mineral Symbol
Jhn[18]
IMA status and/or rank
approved mineral and/or valid name (A)[6]
Mohs' hardness
+6.0[11]
Named after
Albert Johannsen[3]
Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
9.DA.15[10]
Nickel-Strunz 9th edition (updated 2009)
9.DA.15[9]
Solid solution series with
hedenbergite, diopside[13][14]
Space group
space group C2/c[7]
Strunz 8th edition (series ID, updated)
VIII/D.01b[8]
Type locality (geology)
Franklin, Recoaro Terme, Campiglia Marittima[15][16][17]
🏷️ Also known as
en johannsenite de Johannsenit es Johannsenita fa ژوهانسنیت fr Johannsenite fr Johannsénite ja ヨハンセナイト ja ヨハンセン輝石 nl johannseniet ru Йохансенит uk Йогансеніт zh 钙锰辉石
🔖 Identifiers · 10
Image (Wikimedia Commons)
Johannsenite-233188.jpg ↗
Dana 8th edition
65.1.3a.4
Encyclopædia Britannica Online ID
science/johannsenite
Google Knowledge Graph ID
/g/1218rk27
Great Norwegian Encyclopedia ID
johannsenitt
IMA Number, broad sense
IMA1988 s.p.
KBpedia ID
Johannsenite
Kivid.info ID
1779
Minerals.net mineral and gemstone ID
mineral/johannsenite
Wolfram Language entity code
Entity["Mineral", "Johannsenite"]

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Type locality (geology) 3
Campiglia Marittima, Recoaro Terme, Franklin
Solid solution series with 2
diopside, hedenbergite
← Solid solution series with 2
diopside, hedenbergite
Crystal system 1
monoclinic crystal system
Subclass of 1
pyroxene
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Summary

johannsenite is a mineral species[1]. johannsenite is a type of pyroxene[2].

Related Entities

Campiglia Marittima Recoaro Terme

References

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

Direct Wikidata claims

  1. [3] ↑ . Johannsenite, a new manganese pyroxene. wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [2] ↑ . Fleischer’s Glossary of Mineral Species 2014. wikidata.org.
  4. [5] ↑ . mineralienatlas.de. wikidata.org.
  5. [6] ↑ . The IMA List of Minerals (February 2013). wikidata.org.
  6. [7] ↑ . mineralienatlas.de. wikidata.org.
  7. [8] ↑ . Mineralogische Tabellen : Eine Klassifizierung der Mineralien auf kristallchemischer Grundlage, mit einer Einfuhrung in die Kristallchemie (1982). wikidata.org.
  8. [9] ↑ . mineralienatlas.de. wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . Retrieved . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . Mindat.org. wikidata.org.
  13. [14] ↑ . Mindat.org. wikidata.org.
  14. [15] ↑ . Johannsenite, a new manganese pyroxene. wikidata.org.
  15. [16] ↑ . Johannsenite, a new manganese pyroxene. wikidata.org.
  16. [17] ↑ . Johannsenite, a new manganese pyroxene. wikidata.org.
  17. [18] ↑ . 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). johannsenite. Retrieved November 2, 2026, from https://4ort.xyz/entity/johannsenite
MLA “johannsenite.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Nov. 2026, https://4ort.xyz/entity/johannsenite.
BibTeX @misc{4ortxyz_johannsenite_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{johannsenite}}, year = {2026}, url = {https://4ort.xyz/entity/johannsenite}, note = {Accessed: 2026-11-02}}
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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. 3d ago · İmmortalance · 2026-10-31 view diff on Wikidata ↗
    Wikipedia languages → ['ca', 'commons', 'de', 'en', 'es', 'eu', 'fa', 'fr', 'it', 'ja', 'nl', 'nn', 'p
    Sitelink count → 17
    Claims rich → —
    "/* wbsetlabel-add:1|tr */ Johannsenit, [[:toollabs:quickstatements/#/batch/292975|batch #292975]]"
  2. 8w ago · Baum64 · 2026-09-02 view diff on Wikidata ↗
    Solid solution series with → hedenbergite, diopside
    Mohs' hardness → {'amount': '+6.0'}
    Described by source → Johannsenite, a new manganese pyroxene
    Instance of → —
    + 10 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Mohs' hardness: 6.0, [[:toollabs:quickstatements/#/batch/270249|batch #270249]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.