Wikidata entity: Q43088
Al₂O₃ (P274)

Quantities
| P2054 | density | 4.045 |
| P1088 | Mohs' hardness | 9 |
| P1088 | Mohs' hardness | 9.5 |
| P462 | color | ... | Q3142 (red) | red |
| P462 | color | ... | Q3446513 (ruby) | ruby |
| P462 | color | ... | Q429220 (pink) | pink |
| P373 | Commons category | String | Ruby | ??? |
| P556 | crystal system | ... | Q588274 (trigonal crystal system) | trigonal crystal system |
| P1343 | described by source | ... | Q602358 (Brockhaus and Efron Encyclopedic Dictionary) | Brockhaus and Efron Encyclopedic Dictionary |
| P1343 | described by source | ... | Q867541 (Encyclopædia Britannica 11th edition) | Encyclopædia Britannica 11th edition |
| P1343 | described by source | ... | Q1970746 (Explanatory Dictionary of the Living Great Russian Language) | Explanatory Dictionary of the Living Great Russian Language |
| P1343 | described by source | ... | Q89929597 (hedendaagsesieraden.nl) | hedendaagsesieraden.nl |
| P1343 | described by source | ... | Q124737637 (Armenian Soviet Encyclopedia, vol. 10) | Armenian Soviet Encyclopedia, vol. 10 |
| P1343 | described by source | ... | Q3181656 (The Nuttall Encyclopædia) | The Nuttall Encyclopædia |
| P1343 | described by source | ... | Q4086271 (Bible Encyclopedia of Archimandrite Nicephorus) | Bible Encyclopedia of Archimandrite Nicephorus |
| P1343 | described by source | ... | Q4532138 (Granat Encyclopedic Dictionary) | Granat Encyclopedic Dictionary |
| P1343 | described by source | ... | Q19180675 (Small Brockhaus and Efron Encyclopedic Dictionary) | Small Brockhaus and Efron Encyclopedic Dictionary |
| P1343 | described by source | ... | Q19219752 (Meyers Konversations-Lexikon, 4th edition (1885–1890)) | Meyers Konversations-Lexikon, 4th edition (1885–1890) |
| P1343 | described by source | ... | Q56441911 (The Domestic Encyclopædia; Or, A Dictionary Of Facts, And Useful Knowledge) | The Domestic Encyclopædia; Or, A Dictionary Of Facts, And Useful Knowledge |
| P1889 | different from | ... | Q295582 (Rubin) | Rubin |
| P31 | instance of | ... | Q429795 (mineral variety) | mineral variety |
| P1987 | MCN code | String | 7103.91.00 | ??? |
| P5008 | on focus list of Wikimedia project | ... | Q6173448 (Wikipedia:Vital articles/Level/4) | Wikipedia:Vital articles/Level/4 |
| P534 | streak color | ... | Q23444 (white) | white |
| P279 | subclass of | ... | Q83437 (gemstone) | gemstone |
| P279 | subclass of | ... | Q127583 (sapphire) | sapphire |
| P279 | subclass of | ... | Q131777 (corundum) | corundum |
| P910 | topic's main category | ... | Q24272721 (Category:Ruby) | Category:Ruby |
| P1014 | Art & Architecture Thesaurus ID | 300011082 |
| P2581 | BabelNet ID | 00068490n |
| P2581 | BabelNet ID | 00068490n |
| P231 | CAS Registry Number | 12174-49-1 |
| P6706 | De Agostini ID | rubino |
| P10565 | Encyclopedia of China (Third Edition) ID | 85531 |
| P1417 | Encyclopædia Britannica Online ID | topic/ruby |
| P3219 | Encyclopædia Universalis ID | rubis |
| P646 | Freebase ID | /m/0bxr4 |
| P227 | GND ID | 4126594-4 |
| P4342 | Great Norwegian Encyclopedia ID | rubin |
| P2924 | Great Russian Encyclopedia Online ID (old version) | 3517746 |
| P3827 | JSTOR topic ID (archived) | rubies |
| P8408 | KBpedia ID | Ruby-Gem |
| P7348 | Kivid.info ID | 815 |
| P6385 | Krugosvet article (archived) | Earth_sciences/geologiya/RUBIN.html |
| P8313 | Lex ID | rubin |
| P244 | Library of Congress authority ID | sh85115689 |
| P6263 | Mindat mineral ID | 3473 |
| P12070 | Minerals.net mineral and gemstone ID | gemstone/ruby_gemstone |
| P12596 | museum-digital tag ID | 6741 |
| P8885 | Namuwiki ID | 루비 |
| P9495 | National Historical Museums of Sweden ID | term/03C13D67-D183-4A19-B75C-930047992926 |
| P8189 | National Library of Israel J9U ID | 987007546156105171 |
| P6900 | NicoNicoPedia ID | ルビー |
| P1245 | OmegaWiki Defined Meaning | 621344 |
| P3847 | Open Library subject ID | rubies |
| P4212 | PACTOLS thesaurus ID | pcrtevBDzau7qe |
| P11408 | Pixiv Encyclopedia ID | ルビー |
| P10890 | PM20 ware ID | 143796 |
| P10376 | ScienceDirect topic ID | earth-and-planetary-sciences/ruby |
| P10376 | ScienceDirect topic ID | materials-science/ruby |
| P10376 | ScienceDirect topic ID | physics-and-astronomy/ruby |
| P10077 | Spanish Cultural Heritage thesauri ID | materias/1001017 |
| P3365 | Treccani ID | rubino |
| P4223 | Treccani's Enciclopedia Italiana ID | rubino |
| P12800 | Vikidia article ID | fr:Rubis |
| P8814 | WordNet 3.1 Synset ID | 15032709-n |
| P13591 | Yale LUX ID | concept/cad3675a-c0f3-46e3-be77-cdc4ba62b7d6 |
| P2347 | YSO ID | 26133 |
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