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rock crystal

colourless and transparent form of quartz
Class type of: quartz Q2050687

Facts

8 properties
Instance of
mineral variety
Subclass of
quartz[3]
Chemical formula
SiO₂[2]
Crystal system
trigonal crystal system[4]
Density
+50000.86[10]
Described by source
Brockhaus and Efron Encyclopedic Dictionary, Great Soviet Encyclopedia (1926–1947), Encyclopædia Britannica 11th edition[6][7][8]
Different from
rhinestone[9]
Mohs' hardness
+7[5]
🏷️ Also known as
en rhinestone en clear quartz en mountain crystal en rock crystal en pure quartz cs křišťál de Bergkristall es cristal de cuarzo es cristal de roca es cuarzo hialino fi Vuorikide fr cristal de roche hu hegyikristály it cristallo di rocca it Quarzo ialino ja ピュア・クォーツ ja クリア・クォーツ ja クリア・クオーツ ja クリアクオーツ ja ピュアクォーツ
🔖 Identifiers · 23
GND ID
4144643-4
Image (Wikimedia Commons)
Quartz Saint Lary Ariège.jpg ↗
A Dictionary of Geology and Earth Sciences entry ID
6907
Art & Architecture Thesaurus ID
300011152
Encyclopedia of Modern Ukraine ID
30252
Google Knowledge Graph ID
/g/12365mfn
Gran Enciclopèdia Catalana ID
cristall-de-roca
Gran Enciclopèdia Catalana ID (former scheme)
0173112
Great Norwegian Encyclopedia ID
bergkrystall
Great Russian Encyclopedia Online ID (2017)
2371279
Great Russian Encyclopedia portal ID
gornyi-khrustal-426ab6
Grove Art Online ID
T072523
Show all 23 identifiers +11
HDS ID
026233
Kivid.info ID
979
Mindat mineral ID
6128
Museum-digital tag ID
55161, 55952
NL CR AUT ID
ph150563
National Historical Museums of Sweden ID
term/35D60E77-BCB6-40CD-9196-53BD36FC2841, term/82CFF689-A0C1-4FFF-A81F-127EA60A9351
Online PWN Encyclopedia ID
3928018
PACTOLS thesaurus ID
pcrtc2SkvG29we
SVKKL authority ID
0431315-kristal
Spanish Cultural Heritage thesauri ID
materias/1001034
Yale LUX ID
concept/bda4f029-c5a1-4f30-baf8-27884cac354c

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

🔗 Connections
← Made from material 17
Nimrud lens, Imperial Coronation, Peter the Great, Caucasus, Constellation egg, Alexander III Equestrian, Lilies of the Valley, Resurrection +9 more
Described by source 2
Brockhaus and Efron Encyclopedic Dictionary, Encyclopædia Britannica 11th edition
← Different from 2
Rhinestone, rhinestone
Crystal system 1
trigonal crystal system
Different from 1
rhinestone
Instance of 1
mineral variety
Subclass of 1
quartz
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Summary

rock crystal is a mineral variety[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . 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). rock crystal. Retrieved November 7, 2026, from https://4ort.xyz/entity/rock-crystal
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BibTeX @misc{4ortxyz_rock-crystal_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{rock crystal}}, year = {2026}, url = {https://4ort.xyz/entity/rock-crystal}, note = {Accessed: 2026-11-07}}
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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. 21w ago · Jindřich Rubeš · 2026-06-11 view diff on Wikidata ↗
    SVKKL authority ID → 0431315-kristal
    Instance of → mineral variety
    Crystal system → trigonal crystal system
    Great Russian Encyclopedia Online ID (2017) → 2371279
    + 5 other properties edited (see Wikidata diff for full list)
    "Created claim: SVKKL authority ID: 0431315-kristal, batch #259494"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.