Wikidata entity: Q180884
SiO₂ (P274)

Quantities
| P2054 | density | 2.659 |
| P1088 | Mohs' hardness | 7 |
| P373 | Commons category | String | Onyx | ??? |
| P556 | crystal system | ... | Q588274 (trigonal crystal system) | trigonal crystal system |
| P1343 | described by source | ... | Q867541 (Encyclopædia Britannica 11th edition) | Encyclopædia Britannica 11th edition |
| P1343 | described by source | ... | Q3181656 (The Nuttall Encyclopædia) | The Nuttall Encyclopædia |
| P1889 | different from | ... | Q11798404 (Onyks) | Onyks |
| P31 | instance of | ... | Q429795 (mineral variety) | mineral variety |
| P138 | named after | ... | Q36864 (???) | ??? |
| P279 | subclass of | ... | Q170448 (chalcedony) | chalcedony |
| P13750 | Arab Encyclopedia concept ID | 160029 |
| P5604 | archINFORM keyword ID | 1692 |
| P1014 | Art & Architecture Thesaurus ID | 300011136 |
| P2581 | BabelNet ID | 00059038n |
| P2581 | BabelNet ID | 00059038n |
| P1900 | EAGLE id | material/lod/95 |
| P1417 | Encyclopædia Britannica Online ID | topic/onyx |
| P646 | Freebase ID | /m/01s85q |
| P227 | GND ID | 4226539-3 |
| P12385 | Gran Enciclopèdia Catalana ID | onix |
| P1296 | Gran Enciclopèdia Catalana ID (former scheme) | 0127763 |
| P4342 | Great Norwegian Encyclopedia ID | onyks |
| P2924 | Great Russian Encyclopedia Online ID (old version) | 2689527 |
| P8406 | Grove Art Online ID | T2073305 |
| P3827 | JSTOR topic ID (archived) | onyx |
| P7348 | Kivid.info ID | 996 |
| P6385 | Krugosvet article (archived) | Earth_sciences/geologiya/ONIKS.html |
| P8313 | Lex ID | onyx |
| P6263 | Mindat mineral ID | 5976 |
| P12070 | Minerals.net mineral and gemstone ID | gemstone/onyx_gemstone |
| P12596 | museum-digital tag ID | 28635 |
| P9495 | National Historical Museums of Sweden ID | term/3A6F6118-74D0-4C8C-9D09-5F24D4F32F34 |
| P4212 | PACTOLS thesaurus ID | pcrtQAl1Zjr5KF |
| P10077 | Spanish Cultural Heritage thesauri ID | materias/1001046 |
| P12187 | Thesaurus Linguae Aegyptiae thesaurus ID | 4U5FAGKXHJEQTJTUDIJ52AJJN4 |
| P12800 | Vikidia article ID | fr:Onyx_(minéral) |
| P8814 | WordNet 3.1 Synset ID | 14994082-n |
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